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Finding the Fourth Proportional to 475,160.68, 655,768.76 and 271,242.24

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Solution

The fourth proportional to 475,160.68, 655,768.76 and 271,242.24 is: 374,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,160.68 : 655,768.76 = 271,242.24 : x
  2. Step 2: Convert to fraction form
    475,160.68/655,768.76 = 271,242.24/x
  3. Step 3: Cross multiply
    475,160.68x = 655,768.76 × 271,242.24
  4. Step 4: Simplify right side
    475,160.68x = 177,872,187,384.42
  5. Step 5: Solve for x
    x = 177,872,187,384.42/475,160.68
  6. Step 6: Final answer
    x = 374,341.13

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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.