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Finding the Fourth Proportional to 422,882.22, 583,585.47 and 231,884.22

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Solution

The fourth proportional to 422,882.22, 583,585.47 and 231,884.22 is: 320,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,882.22 : 583,585.47 = 231,884.22 : x
  2. Step 2: Convert to fraction form
    422,882.22/583,585.47 = 231,884.22/x
  3. Step 3: Cross multiply
    422,882.22x = 583,585.47 × 231,884.22
  4. Step 4: Simplify right side
    422,882.22x = 135,324,261,514.28
  5. Step 5: Solve for x
    x = 135,324,261,514.28/422,882.22
  6. Step 6: Final answer
    x = 320,004.61

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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.