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Finding the Fourth Proportional to 475,154.92, 655,531.14 and 271,217.20

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Solution

The fourth proportional to 475,154.92, 655,531.14 and 271,217.20 is: 374,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,154.92 : 655,531.14 = 271,217.20 : x
  2. Step 2: Convert to fraction form
    475,154.92/655,531.14 = 271,217.20/x
  3. Step 3: Cross multiply
    475,154.92x = 655,531.14 × 271,217.20
  4. Step 4: Simplify right side
    475,154.92x = 177,791,320,303.61
  5. Step 5: Solve for x
    x = 177,791,320,303.61/475,154.92
  6. Step 6: Final answer
    x = 374,175.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.