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Finding the Fourth Proportional to 967.60, 1,451.39 and 237.19

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Solution

The fourth proportional to 967.60, 1,451.39 and 237.19 is: 355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.60 : 1,451.39 = 237.19 : x
  2. Step 2: Convert to fraction form
    967.60/1,451.39 = 237.19/x
  3. Step 3: Cross multiply
    967.60x = 1,451.39 × 237.19
  4. Step 4: Simplify right side
    967.60x = 344,255.19
  5. Step 5: Solve for x
    x = 344,255.19/967.60
  6. Step 6: Final answer
    x = 355.78

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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.