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Finding the Fourth Proportional to 363,251.89, 501,311.58 and 202,107.30

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Solution

The fourth proportional to 363,251.89, 501,311.58 and 202,107.30 is: 278,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,251.89 : 501,311.58 = 202,107.30 : x
  2. Step 2: Convert to fraction form
    363,251.89/501,311.58 = 202,107.30/x
  3. Step 3: Cross multiply
    363,251.89x = 501,311.58 × 202,107.30
  4. Step 4: Simplify right side
    363,251.89x = 101,318,731,211.44
  5. Step 5: Solve for x
    x = 101,318,731,211.44/363,251.89
  6. Step 6: Final answer
    x = 278,921.41

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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.