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Finding the Fourth Proportional to 441,675.35, 661,205.17 and 272,652.20

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Solution

The fourth proportional to 441,675.35, 661,205.17 and 272,652.20 is: 408,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,675.35 : 661,205.17 = 272,652.20 : x
  2. Step 2: Convert to fraction form
    441,675.35/661,205.17 = 272,652.20/x
  3. Step 3: Cross multiply
    441,675.35x = 661,205.17 × 272,652.20
  4. Step 4: Simplify right side
    441,675.35x = 180,279,041,286.66
  5. Step 5: Solve for x
    x = 180,279,041,286.66/441,675.35
  6. Step 6: Final answer
    x = 408,170.94

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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.