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Finding the Fourth Proportional to 475,602.39, 656,294.87 and 271,625.15

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Solution

The fourth proportional to 475,602.39, 656,294.87 and 271,625.15 is: 374,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,602.39 : 656,294.87 = 271,625.15 : x
  2. Step 2: Convert to fraction form
    475,602.39/656,294.87 = 271,625.15/x
  3. Step 3: Cross multiply
    475,602.39x = 656,294.87 × 271,625.15
  4. Step 4: Simplify right side
    475,602.39x = 178,266,194,827.78
  5. Step 5: Solve for x
    x = 178,266,194,827.78/475,602.39
  6. Step 6: Final answer
    x = 374,821.91

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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.