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Finding the Fourth Proportional to 475,046.90, 655,575.32 and 271,093.76

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Solution

The fourth proportional to 475,046.90, 655,575.32 and 271,093.76 is: 374,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,046.90 : 655,575.32 = 271,093.76 : x
  2. Step 2: Convert to fraction form
    475,046.90/655,575.32 = 271,093.76/x
  3. Step 3: Cross multiply
    475,046.90x = 655,575.32 × 271,093.76
  4. Step 4: Simplify right side
    475,046.90x = 177,722,378,462.00
  5. Step 5: Solve for x
    x = 177,722,378,462.00/475,046.90
  6. Step 6: Final answer
    x = 374,115.44

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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.