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Finding the Fourth Proportional to 606,528,295.80, 909,792,443.70 and 485,595,943.80

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Solution

The fourth proportional to 606,528,295.80, 909,792,443.70 and 485,595,943.80 is: 728,393,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,528,295.80 : 909,792,443.70 = 485,595,943.80 : x
  2. Step 2: Convert to fraction form
    606,528,295.80/909,792,443.70 = 485,595,943.80/x
  3. Step 3: Cross multiply
    606,528,295.80x = 909,792,443.70 × 485,595,943.80
  4. Step 4: Simplify right side
    606,528,295.80x = 441,791,520,360,609,920
  5. Step 5: Solve for x
    x = 441,791,520,360,609,920/606,528,295.80
  6. Step 6: Final answer
    x = 728,393,915.70

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