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Finding the Fourth Proportional to 966.34, 1,449.50 and 235.92

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Solution

The fourth proportional to 966.34, 1,449.50 and 235.92 is: 353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.34 : 1,449.50 = 235.92 : x
  2. Step 2: Convert to fraction form
    966.34/1,449.50 = 235.92/x
  3. Step 3: Cross multiply
    966.34x = 1,449.50 × 235.92
  4. Step 4: Simplify right side
    966.34x = 341,966.04
  5. Step 5: Solve for x
    x = 341,966.04/966.34
  6. Step 6: Final answer
    x = 353.88

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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.