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Finding the Fourth Proportional to 491,452.60, 737,179.14 and 136,466.56

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Solution

The fourth proportional to 491,452.60, 737,179.14 and 136,466.56 is: 204,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,452.60 : 737,179.14 = 136,466.56 : x
  2. Step 2: Convert to fraction form
    491,452.60/737,179.14 = 136,466.56/x
  3. Step 3: Cross multiply
    491,452.60x = 737,179.14 × 136,466.56
  4. Step 4: Simplify right side
    491,452.60x = 100,600,301,339.56
  5. Step 5: Solve for x
    x = 100,600,301,339.56/491,452.60
  6. Step 6: Final answer
    x = 204,699.91

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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.