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Finding the Fourth Proportional to 491,637.52, 737,452.16 and 136,650.50

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Solution

The fourth proportional to 491,637.52, 737,452.16 and 136,650.50 is: 204,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,637.52 : 737,452.16 = 136,650.50 : x
  2. Step 2: Convert to fraction form
    491,637.52/737,452.16 = 136,650.50/x
  3. Step 3: Cross multiply
    491,637.52x = 737,452.16 × 136,650.50
  4. Step 4: Simplify right side
    491,637.52x = 100,773,206,390.08
  5. Step 5: Solve for x
    x = 100,773,206,390.08/491,637.52
  6. Step 6: Final answer
    x = 204,974.60

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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.