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Finding the Fourth Proportional to 449.34, 673.60 and 232.26

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Solution

The fourth proportional to 449.34, 673.60 and 232.26 is: 348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.34 : 673.60 = 232.26 : x
  2. Step 2: Convert to fraction form
    449.34/673.60 = 232.26/x
  3. Step 3: Cross multiply
    449.34x = 673.60 × 232.26
  4. Step 4: Simplify right side
    449.34x = 156,450.34
  5. Step 5: Solve for x
    x = 156,450.34/449.34
  6. Step 6: Final answer
    x = 348.18

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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.