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Finding the Fourth Proportional to 323.52, 484.56 and 178.92

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Solution

The fourth proportional to 323.52, 484.56 and 178.92 is: 267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.52 : 484.56 = 178.92 : x
  2. Step 2: Convert to fraction form
    323.52/484.56 = 178.92/x
  3. Step 3: Cross multiply
    323.52x = 484.56 × 178.92
  4. Step 4: Simplify right side
    323.52x = 86,697.48
  5. Step 5: Solve for x
    x = 86,697.48/323.52
  6. Step 6: Final answer
    x = 267.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.