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Finding the Fourth Proportional to 475,147.92, 655,521.48 and 271,210.17

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Solution

The fourth proportional to 475,147.92, 655,521.48 and 271,210.17 is: 374,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,147.92 : 655,521.48 = 271,210.17 : x
  2. Step 2: Convert to fraction form
    475,147.92/655,521.48 = 271,210.17/x
  3. Step 3: Cross multiply
    475,147.92x = 655,521.48 × 271,210.17
  4. Step 4: Simplify right side
    475,147.92x = 177,784,092,029.45
  5. Step 5: Solve for x
    x = 177,784,092,029.45/475,147.92
  6. Step 6: Final answer
    x = 374,165.78

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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.