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Finding the Fourth Proportional to 416,590.70, 625,882.95 and 267,123.83

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Solution

The fourth proportional to 416,590.70, 625,882.95 and 267,123.83 is: 401,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,590.70 : 625,882.95 = 267,123.83 : x
  2. Step 2: Convert to fraction form
    416,590.70/625,882.95 = 267,123.83/x
  3. Step 3: Cross multiply
    416,590.70x = 625,882.95 × 267,123.83
  4. Step 4: Simplify right side
    416,590.70x = 167,188,247,606.28
  5. Step 5: Solve for x
    x = 167,188,247,606.28/416,590.70
  6. Step 6: Final answer
    x = 401,324.97

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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.