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Finding the Fourth Proportional to 625,023.54, 862,532.73 and 338,542.74

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Solution

The fourth proportional to 625,023.54, 862,532.73 and 338,542.74 is: 467,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,023.54 : 862,532.73 = 338,542.74 : x
  2. Step 2: Convert to fraction form
    625,023.54/862,532.73 = 338,542.74/x
  3. Step 3: Cross multiply
    625,023.54x = 862,532.73 × 338,542.74
  4. Step 4: Simplify right side
    625,023.54x = 292,004,193,753.88
  5. Step 5: Solve for x
    x = 292,004,193,753.88/625,023.54
  6. Step 6: Final answer
    x = 467,189.11

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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.