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Finding the Fourth Proportional to 291,489.87, 436,247.24 and 179,241.19

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Solution

The fourth proportional to 291,489.87, 436,247.24 and 179,241.19 is: 268,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,489.87 : 436,247.24 = 179,241.19 : x
  2. Step 2: Convert to fraction form
    291,489.87/436,247.24 = 179,241.19/x
  3. Step 3: Cross multiply
    291,489.87x = 436,247.24 × 179,241.19
  4. Step 4: Simplify right side
    291,489.87x = 78,193,472,250.58
  5. Step 5: Solve for x
    x = 78,193,472,250.58/291,489.87
  6. Step 6: Final answer
    x = 268,254.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.