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Finding the Fourth Proportional to 449.56, 674.61 and 244.22

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Solution

The fourth proportional to 449.56, 674.61 and 244.22 is: 366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.56 : 674.61 = 244.22 : x
  2. Step 2: Convert to fraction form
    449.56/674.61 = 244.22/x
  3. Step 3: Cross multiply
    449.56x = 674.61 × 244.22
  4. Step 4: Simplify right side
    449.56x = 164,752.03
  5. Step 5: Solve for x
    x = 164,752.03/449.56
  6. Step 6: Final answer
    x = 366.48

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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.