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Finding the Fourth Proportional to 449.16, 673.98 and 232.92

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Solution

The fourth proportional to 449.16, 673.98 and 232.92 is: 349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.16 : 673.98 = 232.92 : x
  2. Step 2: Convert to fraction form
    449.16/673.98 = 232.92/x
  3. Step 3: Cross multiply
    449.16x = 673.98 × 232.92
  4. Step 4: Simplify right side
    449.16x = 156,983.42
  5. Step 5: Solve for x
    x = 156,983.42/449.16
  6. Step 6: Final answer
    x = 349.50

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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.