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Finding the Fourth Proportional to 447,694.11, 671,614.11 and 132,182.91

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Solution

The fourth proportional to 447,694.11, 671,614.11 and 132,182.91 is: 198,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,694.11 : 671,614.11 = 132,182.91 : x
  2. Step 2: Convert to fraction form
    447,694.11/671,614.11 = 132,182.91/x
  3. Step 3: Cross multiply
    447,694.11x = 671,614.11 × 132,182.91
  4. Step 4: Simplify right side
    447,694.11x = 88,775,907,456.86
  5. Step 5: Solve for x
    x = 88,775,907,456.86/447,694.11
  6. Step 6: Final answer
    x = 198,295.90

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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.