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Finding the Fourth Proportional to 952.21, 1,314.03 and 532.55

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Solution

The fourth proportional to 952.21, 1,314.03 and 532.55 is: 734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.21 : 1,314.03 = 532.55 : x
  2. Step 2: Convert to fraction form
    952.21/1,314.03 = 532.55/x
  3. Step 3: Cross multiply
    952.21x = 1,314.03 × 532.55
  4. Step 4: Simplify right side
    952.21x = 699,786.68
  5. Step 5: Solve for x
    x = 699,786.68/952.21
  6. Step 6: Final answer
    x = 734.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.