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Finding the Fourth Proportional to 624,856.68, 862,302.92 and 338,377.10

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Solution

The fourth proportional to 624,856.68, 862,302.92 and 338,377.10 is: 466,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,856.68 : 862,302.92 = 338,377.10 : x
  2. Step 2: Convert to fraction form
    624,856.68/862,302.92 = 338,377.10/x
  3. Step 3: Cross multiply
    624,856.68x = 862,302.92 × 338,377.10
  4. Step 4: Simplify right side
    624,856.68x = 291,783,555,387.73
  5. Step 5: Solve for x
    x = 291,783,555,387.73/624,856.68
  6. Step 6: Final answer
    x = 466,960.77

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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.