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Finding the Fourth Proportional to 422,023.86, 582,448.36 and 240,694.22

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Solution

The fourth proportional to 422,023.86, 582,448.36 and 240,694.22 is: 332,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,023.86 : 582,448.36 = 240,694.22 : x
  2. Step 2: Convert to fraction form
    422,023.86/582,448.36 = 240,694.22/x
  3. Step 3: Cross multiply
    422,023.86x = 582,448.36 × 240,694.22
  4. Step 4: Simplify right side
    422,023.86x = 140,191,953,273.29
  5. Step 5: Solve for x
    x = 140,191,953,273.29/422,023.86
  6. Step 6: Final answer
    x = 332,189.64

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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.