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Finding the Fourth Proportional to 422,360.66, 582,872.22 and 231,374.00

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Solution

The fourth proportional to 422,360.66, 582,872.22 and 231,374.00 is: 319,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,360.66 : 582,872.22 = 231,374.00 : x
  2. Step 2: Convert to fraction form
    422,360.66/582,872.22 = 231,374.00/x
  3. Step 3: Cross multiply
    422,360.66x = 582,872.22 × 231,374.00
  4. Step 4: Simplify right side
    422,360.66x = 134,861,478,487.46
  5. Step 5: Solve for x
    x = 134,861,478,487.46/422,360.66
  6. Step 6: Final answer
    x = 319,304.07

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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.