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Finding the Fourth Proportional to 624,195.60, 861,390.12 and 337,715.52

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Solution

The fourth proportional to 624,195.60, 861,390.12 and 337,715.52 is: 466,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,195.60 : 861,390.12 = 337,715.52 : x
  2. Step 2: Convert to fraction form
    624,195.60/861,390.12 = 337,715.52/x
  3. Step 3: Cross multiply
    624,195.60x = 861,390.12 × 337,715.52
  4. Step 4: Simplify right side
    624,195.60x = 290,904,812,298.66
  5. Step 5: Solve for x
    x = 290,904,812,298.66/624,195.60
  6. Step 6: Final answer
    x = 466,047.52

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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.