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Finding the Fourth Proportional to 967.52, 1,451.28 and 237.09

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Solution

The fourth proportional to 967.52, 1,451.28 and 237.09 is: 355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.52 : 1,451.28 = 237.09 : x
  2. Step 2: Convert to fraction form
    967.52/1,451.28 = 237.09/x
  3. Step 3: Cross multiply
    967.52x = 1,451.28 × 237.09
  4. Step 4: Simplify right side
    967.52x = 344,083.98
  5. Step 5: Solve for x
    x = 344,083.98/967.52
  6. Step 6: Final answer
    x = 355.64

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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.