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Finding the Fourth Proportional to 291,895.62, 437,843.43 and 225,432.69

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Solution

The fourth proportional to 291,895.62, 437,843.43 and 225,432.69 is: 338,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,895.62 : 437,843.43 = 225,432.69 : x
  2. Step 2: Convert to fraction form
    291,895.62/437,843.43 = 225,432.69/x
  3. Step 3: Cross multiply
    291,895.62x = 437,843.43 × 225,432.69
  4. Step 4: Simplify right side
    291,895.62x = 98,704,222,223.73
  5. Step 5: Solve for x
    x = 98,704,222,223.73/291,895.62
  6. Step 6: Final answer
    x = 338,149.04

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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.