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Finding the Fourth Proportional to 968.24, 1,451.68 and 506.28

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Solution

The fourth proportional to 968.24, 1,451.68 and 506.28 is: 759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.24 : 1,451.68 = 506.28 : x
  2. Step 2: Convert to fraction form
    968.24/1,451.68 = 506.28/x
  3. Step 3: Cross multiply
    968.24x = 1,451.68 × 506.28
  4. Step 4: Simplify right side
    968.24x = 734,956.55
  5. Step 5: Solve for x
    x = 734,956.55/968.24
  6. Step 6: Final answer
    x = 759.06

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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.