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Finding the Fourth Proportional to 363,761.74, 502,016.43 and 220,527.82

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Solution

The fourth proportional to 363,761.74, 502,016.43 and 220,527.82 is: 304,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,761.74 : 502,016.43 = 220,527.82 : x
  2. Step 2: Convert to fraction form
    363,761.74/502,016.43 = 220,527.82/x
  3. Step 3: Cross multiply
    363,761.74x = 502,016.43 × 220,527.82
  4. Step 4: Simplify right side
    363,761.74x = 110,708,588,912.08
  5. Step 5: Solve for x
    x = 110,708,588,912.08/363,761.74
  6. Step 6: Final answer
    x = 304,343.69

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Why These Related Problems?

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