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Finding the Fourth Proportional to 449,081.97, 673,730.61 and 149,565.13

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Solution

The fourth proportional to 449,081.97, 673,730.61 and 149,565.13 is: 224,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,081.97 : 673,730.61 = 149,565.13 : x
  2. Step 2: Convert to fraction form
    449,081.97/673,730.61 = 149,565.13/x
  3. Step 3: Cross multiply
    449,081.97x = 673,730.61 × 149,565.13
  4. Step 4: Simplify right side
    449,081.97x = 100,766,608,655.47
  5. Step 5: Solve for x
    x = 100,766,608,655.47/449,081.97
  6. Step 6: Final answer
    x = 224,383.55

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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.