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Finding the Fourth Proportional to 624,654.60, 862,023.60 and 338,174.70

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Solution

The fourth proportional to 624,654.60, 862,023.60 and 338,174.70 is: 466,681.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,654.60 : 862,023.60 = 338,174.70 : x
  2. Step 2: Convert to fraction form
    624,654.60/862,023.60 = 338,174.70/x
  3. Step 3: Cross multiply
    624,654.60x = 862,023.60 × 338,174.70
  4. Step 4: Simplify right side
    624,654.60x = 291,514,572,322.92
  5. Step 5: Solve for x
    x = 291,514,572,322.92/624,654.60
  6. Step 6: Final answer
    x = 466,681.22

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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.