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Finding the Fourth Proportional to 968.26, 1,452.61 and 351.96

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Solution

The fourth proportional to 968.26, 1,452.61 and 351.96 is: 528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.26 : 1,452.61 = 351.96 : x
  2. Step 2: Convert to fraction form
    968.26/1,452.61 = 351.96/x
  3. Step 3: Cross multiply
    968.26x = 1,452.61 × 351.96
  4. Step 4: Simplify right side
    968.26x = 511,258.86
  5. Step 5: Solve for x
    x = 511,258.86/968.26
  6. Step 6: Final answer
    x = 528.02

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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.