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Finding the Fourth Proportional to 624,845,006.92, 862,293,966.42 and 360,581,836.24

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Solution

The fourth proportional to 624,845,006.92, 862,293,966.42 and 360,581,836.24 is: 497,607,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,845,006.92 : 862,293,966.42 = 360,581,836.24 : x
  2. Step 2: Convert to fraction form
    624,845,006.92/862,293,966.42 = 360,581,836.24/x
  3. Step 3: Cross multiply
    624,845,006.92x = 862,293,966.42 × 360,581,836.24
  4. Step 4: Simplify right side
    624,845,006.92x = 310,927,541,790,396,480
  5. Step 5: Solve for x
    x = 310,927,541,790,396,480/624,845,006.92
  6. Step 6: Final answer
    x = 497,607,468.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.