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Finding the Fourth Proportional to 483.24, 724.85 and 118.03

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Solution

The fourth proportional to 483.24, 724.85 and 118.03 is: 177.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.24 : 724.85 = 118.03 : x
  2. Step 2: Convert to fraction form
    483.24/724.85 = 118.03/x
  3. Step 3: Cross multiply
    483.24x = 724.85 × 118.03
  4. Step 4: Simplify right side
    483.24x = 85,554.05
  5. Step 5: Solve for x
    x = 85,554.05/483.24
  6. Step 6: Final answer
    x = 177.04

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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.