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Finding the Fourth Proportional to 577,451.50, 866,162.67 and 156,716.44

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Solution

The fourth proportional to 577,451.50, 866,162.67 and 156,716.44 is: 235,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,451.50 : 866,162.67 = 156,716.44 : x
  2. Step 2: Convert to fraction form
    577,451.50/866,162.67 = 156,716.44/x
  3. Step 3: Cross multiply
    577,451.50x = 866,162.67 × 156,716.44
  4. Step 4: Simplify right side
    577,451.50x = 135,741,930,103.30
  5. Step 5: Solve for x
    x = 135,741,930,103.30/577,451.50
  6. Step 6: Final answer
    x = 235,070.70

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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.