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Finding the Fourth Proportional to 968.22, 1,451.52 and 577.26

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Solution

The fourth proportional to 968.22, 1,451.52 and 577.26 is: 865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.22 : 1,451.52 = 577.26 : x
  2. Step 2: Convert to fraction form
    968.22/1,451.52 = 577.26/x
  3. Step 3: Cross multiply
    968.22x = 1,451.52 × 577.26
  4. Step 4: Simplify right side
    968.22x = 837,904.44
  5. Step 5: Solve for x
    x = 837,904.44/968.22
  6. Step 6: Final answer
    x = 865.41

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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.