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Finding the Fourth Proportional to 491,344.56, 737,016.96 and 136,358.64

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Solution

The fourth proportional to 491,344.56, 737,016.96 and 136,358.64 is: 204,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,344.56 : 737,016.96 = 136,358.64 : x
  2. Step 2: Convert to fraction form
    491,344.56/737,016.96 = 136,358.64/x
  3. Step 3: Cross multiply
    491,344.56x = 737,016.96 × 136,358.64
  4. Step 4: Simplify right side
    491,344.56x = 100,498,630,322.53
  5. Step 5: Solve for x
    x = 100,498,630,322.53/491,344.56
  6. Step 6: Final answer
    x = 204,537.99

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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.