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Finding the Fourth Proportional to 323.85, 446.85 and 183.92

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Solution

The fourth proportional to 323.85, 446.85 and 183.92 is: 253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.85 : 446.85 = 183.92 : x
  2. Step 2: Convert to fraction form
    323.85/446.85 = 183.92/x
  3. Step 3: Cross multiply
    323.85x = 446.85 × 183.92
  4. Step 4: Simplify right side
    323.85x = 82,183.73
  5. Step 5: Solve for x
    x = 82,183.73/323.85
  6. Step 6: Final answer
    x = 253.77

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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.