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Finding the Fourth Proportional to 577,452.50, 866,164.17 and 156,717.44

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Solution

The fourth proportional to 577,452.50, 866,164.17 and 156,717.44 is: 235,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,452.50 : 866,164.17 = 156,717.44 : x
  2. Step 2: Convert to fraction form
    577,452.50/866,164.17 = 156,717.44/x
  3. Step 3: Cross multiply
    577,452.50x = 866,164.17 × 156,717.44
  4. Step 4: Simplify right side
    577,452.50x = 135,743,031,342.13
  5. Step 5: Solve for x
    x = 135,743,031,342.13/577,452.50
  6. Step 6: Final answer
    x = 235,072.20

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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.