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Finding the Fourth Proportional to 475,248.36, 655,817.67 and 271,291.17

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Solution

The fourth proportional to 475,248.36, 655,817.67 and 271,291.17 is: 374,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,248.36 : 655,817.67 = 271,291.17 : x
  2. Step 2: Convert to fraction form
    475,248.36/655,817.67 = 271,291.17/x
  3. Step 3: Cross multiply
    475,248.36x = 655,817.67 × 271,291.17
  4. Step 4: Simplify right side
    475,248.36x = 177,917,543,000.97
  5. Step 5: Solve for x
    x = 177,917,543,000.97/475,248.36
  6. Step 6: Final answer
    x = 374,367.51

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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.