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Finding the Fourth Proportional to 442,461.20, 663,691.82 and 176,408.55

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Solution

The fourth proportional to 442,461.20, 663,691.82 and 176,408.55 is: 264,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,461.20 : 663,691.82 = 176,408.55 : x
  2. Step 2: Convert to fraction form
    442,461.20/663,691.82 = 176,408.55/x
  3. Step 3: Cross multiply
    442,461.20x = 663,691.82 × 176,408.55
  4. Step 4: Simplify right side
    442,461.20x = 117,080,909,357.50
  5. Step 5: Solve for x
    x = 117,080,909,357.50/442,461.20
  6. Step 6: Final answer
    x = 264,612.83

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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.