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Finding the Fourth Proportional to 475,359.30, 656,013.90 and 271,443.42

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Solution

The fourth proportional to 475,359.30, 656,013.90 and 271,443.42 is: 374,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,359.30 : 656,013.90 = 271,443.42 : x
  2. Step 2: Convert to fraction form
    475,359.30/656,013.90 = 271,443.42/x
  3. Step 3: Cross multiply
    475,359.30x = 656,013.90 × 271,443.42
  4. Step 4: Simplify right side
    475,359.30x = 178,070,656,583.54
  5. Step 5: Solve for x
    x = 178,070,656,583.54/475,359.30
  6. Step 6: Final answer
    x = 374,602.24

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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.