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Finding the Fourth Proportional to 475,044.90, 655,572.56 and 271,091.76

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Solution

The fourth proportional to 475,044.90, 655,572.56 and 271,091.76 is: 374,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,044.90 : 655,572.56 = 271,091.76 : x
  2. Step 2: Convert to fraction form
    475,044.90/655,572.56 = 271,091.76/x
  3. Step 3: Cross multiply
    475,044.90x = 655,572.56 × 271,091.76
  4. Step 4: Simplify right side
    475,044.90x = 177,720,319,098.11
  5. Step 5: Solve for x
    x = 177,720,319,098.11/475,044.90
  6. Step 6: Final answer
    x = 374,112.68

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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.