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Finding the Fourth Proportional to 491,600.68, 737,578.68 and 171,799.92

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Solution

The fourth proportional to 491,600.68, 737,578.68 and 171,799.92 is: 257,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,600.68 : 737,578.68 = 171,799.92 : x
  2. Step 2: Convert to fraction form
    491,600.68/737,578.68 = 171,799.92/x
  3. Step 3: Cross multiply
    491,600.68x = 737,578.68 × 171,799.92
  4. Step 4: Simplify right side
    491,600.68x = 126,715,958,217.71
  5. Step 5: Solve for x
    x = 126,715,958,217.71/491,600.68
  6. Step 6: Final answer
    x = 257,761.97

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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.