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Finding the Fourth Proportional to 352,456.62, 527,882.41 and 276,078.34

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Solution

The fourth proportional to 352,456.62, 527,882.41 and 276,078.34 is: 413,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,456.62 : 527,882.41 = 276,078.34 : x
  2. Step 2: Convert to fraction form
    352,456.62/527,882.41 = 276,078.34/x
  3. Step 3: Cross multiply
    352,456.62x = 527,882.41 × 276,078.34
  4. Step 4: Simplify right side
    352,456.62x = 145,736,899,468.00
  5. Step 5: Solve for x
    x = 145,736,899,468.00/352,456.62
  6. Step 6: Final answer
    x = 413,488.90

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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.