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Finding the Fourth Proportional to 271,761.05, 407,705.97 and 267,242.47

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Solution

The fourth proportional to 271,761.05, 407,705.97 and 267,242.47 is: 400,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,761.05 : 407,705.97 = 267,242.47 : x
  2. Step 2: Convert to fraction form
    271,761.05/407,705.97 = 267,242.47/x
  3. Step 3: Cross multiply
    271,761.05x = 407,705.97 × 267,242.47
  4. Step 4: Simplify right side
    271,761.05x = 108,956,350,456.55
  5. Step 5: Solve for x
    x = 108,956,350,456.55/271,761.05
  6. Step 6: Final answer
    x = 400,927.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.