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Finding the Fourth Proportional to 475,042.89, 655,569.80 and 271,089.75

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Solution

The fourth proportional to 475,042.89, 655,569.80 and 271,089.75 is: 374,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,042.89 : 655,569.80 = 271,089.75 : x
  2. Step 2: Convert to fraction form
    475,042.89/655,569.80 = 271,089.75/x
  3. Step 3: Cross multiply
    475,042.89x = 655,569.80 × 271,089.75
  4. Step 4: Simplify right side
    475,042.89x = 177,718,253,189.55
  5. Step 5: Solve for x
    x = 177,718,253,189.55/475,042.89
  6. Step 6: Final answer
    x = 374,109.91

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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.