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Finding the Fourth Proportional to 323.76, 446.76 and 183.84

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Solution

The fourth proportional to 323.76, 446.76 and 183.84 is: 253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.76 : 446.76 = 183.84 : x
  2. Step 2: Convert to fraction form
    323.76/446.76 = 183.84/x
  3. Step 3: Cross multiply
    323.76x = 446.76 × 183.84
  4. Step 4: Simplify right side
    323.76x = 82,132.36
  5. Step 5: Solve for x
    x = 82,132.36/323.76
  6. Step 6: Final answer
    x = 253.68

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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.