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Finding the Fourth Proportional to 449.29, 673.91 and 244.26

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Solution

The fourth proportional to 449.29, 673.91 and 244.26 is: 366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.29 : 673.91 = 244.26 : x
  2. Step 2: Convert to fraction form
    449.29/673.91 = 244.26/x
  3. Step 3: Cross multiply
    449.29x = 673.91 × 244.26
  4. Step 4: Simplify right side
    449.29x = 164,609.87
  5. Step 5: Solve for x
    x = 164,609.87/449.29
  6. Step 6: Final answer
    x = 366.38

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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.