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Finding the Fourth Proportional to 364,381.79, 502,847.56 and 203,247.27

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Solution

The fourth proportional to 364,381.79, 502,847.56 and 203,247.27 is: 280,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,381.79 : 502,847.56 = 203,247.27 : x
  2. Step 2: Convert to fraction form
    364,381.79/502,847.56 = 203,247.27/x
  3. Step 3: Cross multiply
    364,381.79x = 502,847.56 × 203,247.27
  4. Step 4: Simplify right side
    364,381.79x = 102,202,394,545.16
  5. Step 5: Solve for x
    x = 102,202,394,545.16/364,381.79
  6. Step 6: Final answer
    x = 280,481.62

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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.