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Finding the Fourth Proportional to 968.17, 1,452.53 and 351.86

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Solution

The fourth proportional to 968.17, 1,452.53 and 351.86 is: 527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.17 : 1,452.53 = 351.86 : x
  2. Step 2: Convert to fraction form
    968.17/1,452.53 = 351.86/x
  3. Step 3: Cross multiply
    968.17x = 1,452.53 × 351.86
  4. Step 4: Simplify right side
    968.17x = 511,091.72
  5. Step 5: Solve for x
    x = 511,091.72/968.17
  6. Step 6: Final answer
    x = 527.90

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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.