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Finding the Fourth Proportional to 483.28, 724.88 and 174.96

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Solution

The fourth proportional to 483.28, 724.88 and 174.96 is: 262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.28 : 724.88 = 174.96 : x
  2. Step 2: Convert to fraction form
    483.28/724.88 = 174.96/x
  3. Step 3: Cross multiply
    483.28x = 724.88 × 174.96
  4. Step 4: Simplify right side
    483.28x = 126,825.00
  5. Step 5: Solve for x
    x = 126,825.00/483.28
  6. Step 6: Final answer
    x = 262.43

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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.