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Finding the Fourth Proportional to 475,152.38, 655,757.27 and 271,233.97

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Solution

The fourth proportional to 475,152.38, 655,757.27 and 271,233.97 is: 374,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,152.38 : 655,757.27 = 271,233.97 : x
  2. Step 2: Convert to fraction form
    475,152.38/655,757.27 = 271,233.97/x
  3. Step 3: Cross multiply
    475,152.38x = 655,757.27 × 271,233.97
  4. Step 4: Simplify right side
    475,152.38x = 177,863,645,720.03
  5. Step 5: Solve for x
    x = 177,863,645,720.03/475,152.38
  6. Step 6: Final answer
    x = 374,329.70

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1.5x scale

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.