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Finding the Fourth Proportional to 422,181.92, 582,624.24 and 231,213.44

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Solution

The fourth proportional to 422,181.92, 582,624.24 and 231,213.44 is: 319,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,181.92 : 582,624.24 = 231,213.44 : x
  2. Step 2: Convert to fraction form
    422,181.92/582,624.24 = 231,213.44/x
  3. Step 3: Cross multiply
    422,181.92x = 582,624.24 × 231,213.44
  4. Step 4: Simplify right side
    422,181.92x = 134,710,554,757.79
  5. Step 5: Solve for x
    x = 134,710,554,757.79/422,181.92
  6. Step 6: Final answer
    x = 319,081.77

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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.