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Finding the Fourth Proportional to 422,150.13, 582,555.90 and 240,858.77

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Solution

The fourth proportional to 422,150.13, 582,555.90 and 240,858.77 is: 332,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,150.13 : 582,555.90 = 240,858.77 : x
  2. Step 2: Convert to fraction form
    422,150.13/582,555.90 = 240,858.77/x
  3. Step 3: Cross multiply
    422,150.13x = 582,555.90 × 240,858.77
  4. Step 4: Simplify right side
    422,150.13x = 140,313,694,165.85
  5. Step 5: Solve for x
    x = 140,313,694,165.85/422,150.13
  6. Step 6: Final answer
    x = 332,378.66

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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.