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Finding the Fourth Proportional to 422,183.48, 582,646.50 and 240,853.64

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Solution

The fourth proportional to 422,183.48, 582,646.50 and 240,853.64 is: 332,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,183.48 : 582,646.50 = 240,853.64 : x
  2. Step 2: Convert to fraction form
    422,183.48/582,646.50 = 240,853.64/x
  3. Step 3: Cross multiply
    422,183.48x = 582,646.50 × 240,853.64
  4. Step 4: Simplify right side
    422,183.48x = 140,332,530,358.26
  5. Step 5: Solve for x
    x = 140,332,530,358.26/422,183.48
  6. Step 6: Final answer
    x = 332,397.02

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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.