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Finding the Fourth Proportional to 323.92, 447 and 236.96

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Solution

The fourth proportional to 323.92, 447 and 236.96 is: 327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.92 : 447 = 236.96 : x
  2. Step 2: Convert to fraction form
    323.92/447 = 236.96/x
  3. Step 3: Cross multiply
    323.92x = 447 × 236.96
  4. Step 4: Simplify right side
    323.92x = 105,921.12
  5. Step 5: Solve for x
    x = 105,921.12/323.92
  6. Step 6: Final answer
    x = 327.00

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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.