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Finding the Fourth Proportional to 422,053.59, 582,432.39 and 240,765.18

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Solution

The fourth proportional to 422,053.59, 582,432.39 and 240,765.18 is: 332,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,053.59 : 582,432.39 = 240,765.18 : x
  2. Step 2: Convert to fraction form
    422,053.59/582,432.39 = 240,765.18/x
  3. Step 3: Cross multiply
    422,053.59x = 582,432.39 × 240,765.18
  4. Step 4: Simplify right side
    422,053.59x = 140,229,439,216.18
  5. Step 5: Solve for x
    x = 140,229,439,216.18/422,053.59
  6. Step 6: Final answer
    x = 332,255.06

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1.5x scale

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.