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Finding the Fourth Proportional to 417,279.56, 625,762.20 and 150,974.24

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Solution

The fourth proportional to 417,279.56, 625,762.20 and 150,974.24 is: 226,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,279.56 : 625,762.20 = 150,974.24 : x
  2. Step 2: Convert to fraction form
    417,279.56/625,762.20 = 150,974.24/x
  3. Step 3: Cross multiply
    417,279.56x = 625,762.20 × 150,974.24
  4. Step 4: Simplify right side
    417,279.56x = 94,473,972,565.73
  5. Step 5: Solve for x
    x = 94,473,972,565.73/417,279.56
  6. Step 6: Final answer
    x = 226,404.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.