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Finding the Fourth Proportional to 624,355.96, 861,613.40 and 337,875.97

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Solution

The fourth proportional to 624,355.96, 861,613.40 and 337,875.97 is: 466,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,355.96 : 861,613.40 = 337,875.97 : x
  2. Step 2: Convert to fraction form
    624,355.96/861,613.40 = 337,875.97/x
  3. Step 3: Cross multiply
    624,355.96x = 861,613.40 × 337,875.97
  4. Step 4: Simplify right side
    624,355.96x = 291,118,463,290.00
  5. Step 5: Solve for x
    x = 291,118,463,290.00/624,355.96
  6. Step 6: Final answer
    x = 466,270.02

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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.