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Finding the Fourth Proportional to 624,354.96, 861,612.02 and 337,874.97

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Solution

The fourth proportional to 624,354.96, 861,612.02 and 337,874.97 is: 466,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,354.96 : 861,612.02 = 337,874.97 : x
  2. Step 2: Convert to fraction form
    624,354.96/861,612.02 = 337,874.97/x
  3. Step 3: Cross multiply
    624,354.96x = 861,612.02 × 337,874.97
  4. Step 4: Simplify right side
    624,354.96x = 291,117,135,409.14
  5. Step 5: Solve for x
    x = 291,117,135,409.14/624,354.96
  6. Step 6: Final answer
    x = 466,268.64

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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.