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Finding the Fourth Proportional to 323.13, 445.89 and 183.24

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Solution

The fourth proportional to 323.13, 445.89 and 183.24 is: 252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.13 : 445.89 = 183.24 : x
  2. Step 2: Convert to fraction form
    323.13/445.89 = 183.24/x
  3. Step 3: Cross multiply
    323.13x = 445.89 × 183.24
  4. Step 4: Simplify right side
    323.13x = 81,705.57
  5. Step 5: Solve for x
    x = 81,705.57/323.13
  6. Step 6: Final answer
    x = 252.85

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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.