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Finding the Fourth Proportional to 422,016.46, 582,389.92 and 260,867.36

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Solution

The fourth proportional to 422,016.46, 582,389.92 and 260,867.36 is: 360,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,016.46 : 582,389.92 = 260,867.36 : x
  2. Step 2: Convert to fraction form
    422,016.46/582,389.92 = 260,867.36/x
  3. Step 3: Cross multiply
    422,016.46x = 582,389.92 × 260,867.36
  4. Step 4: Simplify right side
    422,016.46x = 151,926,520,921.01
  5. Step 5: Solve for x
    x = 151,926,520,921.01/422,016.46
  6. Step 6: Final answer
    x = 360,001.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.