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Finding the Fourth Proportional to 449.97, 674.68 and 244.03

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Solution

The fourth proportional to 449.97, 674.68 and 244.03 is: 365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.97 : 674.68 = 244.03 : x
  2. Step 2: Convert to fraction form
    449.97/674.68 = 244.03/x
  3. Step 3: Cross multiply
    449.97x = 674.68 × 244.03
  4. Step 4: Simplify right side
    449.97x = 164,642.16
  5. Step 5: Solve for x
    x = 164,642.16/449.97
  6. Step 6: Final answer
    x = 365.90

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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.