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Finding the Fourth Proportional to 606,528,608.10, 909,792,912.15 and 505,751,648.10

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Solution

The fourth proportional to 606,528,608.10, 909,792,912.15 and 505,751,648.10 is: 758,627,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,528,608.10 : 909,792,912.15 = 505,751,648.10 : x
  2. Step 2: Convert to fraction form
    606,528,608.10/909,792,912.15 = 505,751,648.10/x
  3. Step 3: Cross multiply
    606,528,608.10x = 909,792,912.15 × 505,751,648.10
  4. Step 4: Simplify right side
    606,528,608.10x = 460,129,264,749,561,024
  5. Step 5: Solve for x
    x = 460,129,264,749,561,024/606,528,608.10
  6. Step 6: Final answer
    x = 758,627,472.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.