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Finding the Fourth Proportional to 422,234.44, 582,683.52 and 231,254.66

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Solution

The fourth proportional to 422,234.44, 582,683.52 and 231,254.66 is: 319,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,234.44 : 582,683.52 = 231,254.66 : x
  2. Step 2: Convert to fraction form
    422,234.44/582,683.52 = 231,254.66/x
  3. Step 3: Cross multiply
    422,234.44x = 582,683.52 × 231,254.66
  4. Step 4: Simplify right side
    422,234.44x = 134,748,281,629.12
  5. Step 5: Solve for x
    x = 134,748,281,629.12/422,234.44
  6. Step 6: Final answer
    x = 319,131.43

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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.