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Finding the Fourth Proportional to 422,366.68, 582,907.78 and 241,105.88

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Solution

The fourth proportional to 422,366.68, 582,907.78 and 241,105.88 is: 332,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,366.68 : 582,907.78 = 241,105.88 : x
  2. Step 2: Convert to fraction form
    422,366.68/582,907.78 = 241,105.88/x
  3. Step 3: Cross multiply
    422,366.68x = 582,907.78 × 241,105.88
  4. Step 4: Simplify right side
    422,366.68x = 140,542,493,255.75
  5. Step 5: Solve for x
    x = 140,542,493,255.75/422,366.68
  6. Step 6: Final answer
    x = 332,749.95

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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.