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Finding the Fourth Proportional to 361,687.32, 499,120.02 and 200,540.88

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Solution

The fourth proportional to 361,687.32, 499,120.02 and 200,540.88 is: 276,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,687.32 : 499,120.02 = 200,540.88 : x
  2. Step 2: Convert to fraction form
    361,687.32/499,120.02 = 200,540.88/x
  3. Step 3: Cross multiply
    361,687.32x = 499,120.02 × 200,540.88
  4. Step 4: Simplify right side
    361,687.32x = 100,093,968,036.42
  5. Step 5: Solve for x
    x = 100,093,968,036.42/361,687.32
  6. Step 6: Final answer
    x = 276,741.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.