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Finding the Fourth Proportional to 968.25, 1,452.00 and 448.52

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Solution

The fourth proportional to 968.25, 1,452.00 and 448.52 is: 672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.25 : 1,452.00 = 448.52 : x
  2. Step 2: Convert to fraction form
    968.25/1,452.00 = 448.52/x
  3. Step 3: Cross multiply
    968.25x = 1,452.00 × 448.52
  4. Step 4: Simplify right side
    968.25x = 651,248.80
  5. Step 5: Solve for x
    x = 651,248.80/968.25
  6. Step 6: Final answer
    x = 672.61

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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.