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Finding the Fourth Proportional to 323.54, 446.49 and 183.68

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Solution

The fourth proportional to 323.54, 446.49 and 183.68 is: 253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.54 : 446.49 = 183.68 : x
  2. Step 2: Convert to fraction form
    323.54/446.49 = 183.68/x
  3. Step 3: Cross multiply
    323.54x = 446.49 × 183.68
  4. Step 4: Simplify right side
    323.54x = 82,009.05
  5. Step 5: Solve for x
    x = 82,009.05/323.54
  6. Step 6: Final answer
    x = 253.48

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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.