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Finding the Fourth Proportional to 952.42, 1,314.39 and 532.78

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Solution

The fourth proportional to 952.42, 1,314.39 and 532.78 is: 735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.42 : 1,314.39 = 532.78 : x
  2. Step 2: Convert to fraction form
    952.42/1,314.39 = 532.78/x
  3. Step 3: Cross multiply
    952.42x = 1,314.39 × 532.78
  4. Step 4: Simplify right side
    952.42x = 700,274.92
  5. Step 5: Solve for x
    x = 700,274.92/952.42
  6. Step 6: Final answer
    x = 735.26

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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.