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Finding the Fourth Proportional to 624,387.27, 861,654.38 and 337,907.42

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Solution

The fourth proportional to 624,387.27, 861,654.38 and 337,907.42 is: 466,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,387.27 : 861,654.38 = 337,907.42 : x
  2. Step 2: Convert to fraction form
    624,387.27/861,654.38 = 337,907.42/x
  3. Step 3: Cross multiply
    624,387.27x = 861,654.38 × 337,907.42
  4. Step 4: Simplify right side
    624,387.27x = 291,159,402,479.69
  5. Step 5: Solve for x
    x = 291,159,402,479.69/624,387.27
  6. Step 6: Final answer
    x = 466,312.20

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1.5x scale

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.