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Finding the Fourth Proportional to 363,099.42, 501,016.05 and 201,933.18

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Solution

The fourth proportional to 363,099.42, 501,016.05 and 201,933.18 is: 278,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,099.42 : 501,016.05 = 201,933.18 : x
  2. Step 2: Convert to fraction form
    363,099.42/501,016.05 = 201,933.18/x
  3. Step 3: Cross multiply
    363,099.42x = 501,016.05 × 201,933.18
  4. Step 4: Simplify right side
    363,099.42x = 101,171,764,207.54
  5. Step 5: Solve for x
    x = 101,171,764,207.54/363,099.42
  6. Step 6: Final answer
    x = 278,633.78

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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.