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Finding the Fourth Proportional to 323.36, 446.24 and 176.00

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Solution

The fourth proportional to 323.36, 446.24 and 176.00 is: 242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.36 : 446.24 = 176.00 : x
  2. Step 2: Convert to fraction form
    323.36/446.24 = 176.00/x
  3. Step 3: Cross multiply
    323.36x = 446.24 × 176.00
  4. Step 4: Simplify right side
    323.36x = 78,538.48
  5. Step 5: Solve for x
    x = 78,538.48/323.36
  6. Step 6: Final answer
    x = 242.88

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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.