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Finding the Fourth Proportional to 967.14, 1,450.23 and 674.78

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Solution

The fourth proportional to 967.14, 1,450.23 and 674.78 is: 1,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.14 : 1,450.23 = 674.78 : x
  2. Step 2: Convert to fraction form
    967.14/1,450.23 = 674.78/x
  3. Step 3: Cross multiply
    967.14x = 1,450.23 × 674.78
  4. Step 4: Simplify right side
    967.14x = 978,577.26
  5. Step 5: Solve for x
    x = 978,577.26/967.14
  6. Step 6: Final answer
    x = 1,011.83

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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.