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Finding the Fourth Proportional to 968.54, 1,452.51 and 481.46

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Solution

The fourth proportional to 968.54, 1,452.51 and 481.46 is: 722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.54 : 1,452.51 = 481.46 : x
  2. Step 2: Convert to fraction form
    968.54/1,452.51 = 481.46/x
  3. Step 3: Cross multiply
    968.54x = 1,452.51 × 481.46
  4. Step 4: Simplify right side
    968.54x = 699,318.20
  5. Step 5: Solve for x
    x = 699,318.20/968.54
  6. Step 6: Final answer
    x = 722.04

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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.