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Finding the Fourth Proportional to 968.56, 1,452.92 and 352.28

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Solution

The fourth proportional to 968.56, 1,452.92 and 352.28 is: 528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.56 : 1,452.92 = 352.28 : x
  2. Step 2: Convert to fraction form
    968.56/1,452.92 = 352.28/x
  3. Step 3: Cross multiply
    968.56x = 1,452.92 × 352.28
  4. Step 4: Simplify right side
    968.56x = 511,836.53
  5. Step 5: Solve for x
    x = 511,836.53/968.56
  6. Step 6: Final answer
    x = 528.45

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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.