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Finding the Fourth Proportional to 625,327.60, 862,952.88 and 338,847.68

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Solution

The fourth proportional to 625,327.60, 862,952.88 and 338,847.68 is: 467,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,327.60 : 862,952.88 = 338,847.68 : x
  2. Step 2: Convert to fraction form
    625,327.60/862,952.88 = 338,847.68/x
  3. Step 3: Cross multiply
    625,327.60x = 862,952.88 × 338,847.68
  4. Step 4: Simplify right side
    625,327.60x = 292,409,581,337.32
  5. Step 5: Solve for x
    x = 292,409,581,337.32/625,327.60
  6. Step 6: Final answer
    x = 467,610.23

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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.