DUBAI: Australia beat Pakistan by six runs in the fourth one-day international despite hundreds from Abid Ali and Mohammad Rizwan in Dubai on Friday.Glenn Maxwell (98), Usman Khawaja (62) and Alex Carey (55) guided Australia to 277-7 in their 50 overs after they were sent into bat.Pakistan finished on 271-8 in their 50 overs with Ali scoring 112 on ODI debut and Rizwan 104.Australia leads the five-match series 4-0.Glenn Maxwell missed a fighting hundred by two runs but still guided Australia to 277-7 in the fourth one-day international against an injury-hit Pakistan in Dubai on Friday.The dashing middle-order batsman knocked three sixes and nine boundaries in his 98 off 82 balls to lift Australia — sent into bat by Pakistan — from 140-5 to an imposing total on a slow Dubai stadium pitch.A new look Pakistan team — with Imad Wasim as skipper after Shoaib Malik was ruled out with a rib injury — had caught Australia napping at 101-4 when Maxwell walked in.He repaired the innings with a 134-run partnership for the sixth with Alex Carey who finished with 67-ball 55 for his maiden fifty with three boundaries.Maxell, bowled by fast bowler Usman Shinwari off a no-ball when on 76, was within a stroke of his second ODI hundred when he was run out while attempting a double run.Carey supplemented Maxwell well, as the pair beat the previous sixth wicket stand in Australia-Pakistan ODIs of 90 between Dirk Wellham and Rod Marsh at Sydney in 1981.Mohammad Hasnain (2-52), Wasim (2-56) and Yasir Shah (2-57) shared the wickets.Australia brought in fast bowlers Kane Richardson and Nathan Coulter-Nile in place of Pat Cummins and Jason Behrendorff.Pakistan were forced to make two changes as Malik suffered rib injury and opener Imam-ul-Haq fever to withdraw from the game, handing opener Abid Ali and batsman Saad Ali ODI debuts.The last match will also be played in Dubai on March 31 (tomorrow).Playing XIPakistan: Shan Masood, Abid Ali, Haris Sohail, Umar Akmal, Saad Ali, Imad Wasim (c), Mohammad Rizwan (wk), Yasir Shah, Usman Shinwari, Junaid Khan, Muhammad HasnainAustralia: Aaron Finch (c), Usman Khawaja, Shaun Marsh, Peter Handscomb, Marcus Stoinis, Glenn Maxwell, Alex Carey (wk), Nathan Coulter-Nile, Kane Richardson, Nathan Lyon, Adam Zampa.