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Finding the Fourth Proportional to 624,362.74, 861,622.80 and 337,882.78

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Solution

The fourth proportional to 624,362.74, 861,622.80 and 337,882.78 is: 466,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,362.74 : 861,622.80 = 337,882.78 : x
  2. Step 2: Convert to fraction form
    624,362.74/861,622.80 = 337,882.78/x
  3. Step 3: Cross multiply
    624,362.74x = 861,622.80 × 337,882.78
  4. Step 4: Simplify right side
    624,362.74x = 291,127,506,975.38
  5. Step 5: Solve for x
    x = 291,127,506,975.38/624,362.74
  6. Step 6: Final answer
    x = 466,279.44

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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.