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Finding the Fourth Proportional to 475,156.68, 655,763.24 and 271,238.23

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Solution

The fourth proportional to 475,156.68, 655,763.24 and 271,238.23 is: 374,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,156.68 : 655,763.24 = 271,238.23 : x
  2. Step 2: Convert to fraction form
    475,156.68/655,763.24 = 271,238.23/x
  3. Step 3: Cross multiply
    475,156.68x = 655,763.24 × 271,238.23
  4. Step 4: Simplify right side
    475,156.68x = 177,868,061,220.20
  5. Step 5: Solve for x
    x = 177,868,061,220.20/475,156.68
  6. Step 6: Final answer
    x = 374,335.60

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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.