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Finding the Fourth Proportional to 624,357.96, 861,616.16 and 337,877.97

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Solution

The fourth proportional to 624,357.96, 861,616.16 and 337,877.97 is: 466,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,357.96 : 861,616.16 = 337,877.97 : x
  2. Step 2: Convert to fraction form
    624,357.96/861,616.16 = 337,877.97/x
  3. Step 3: Cross multiply
    624,357.96x = 861,616.16 × 337,877.97
  4. Step 4: Simplify right side
    624,357.96x = 291,121,119,060.00
  5. Step 5: Solve for x
    x = 291,121,119,060.00/624,357.96
  6. Step 6: Final answer
    x = 466,272.78

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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.