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Finding the Fourth Proportional to 449.97, 675.26 and 233.70

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Solution

The fourth proportional to 449.97, 675.26 and 233.70 is: 350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.97 : 675.26 = 233.70 : x
  2. Step 2: Convert to fraction form
    449.97/675.26 = 233.70/x
  3. Step 3: Cross multiply
    449.97x = 675.26 × 233.70
  4. Step 4: Simplify right side
    449.97x = 157,808.26
  5. Step 5: Solve for x
    x = 157,808.26/449.97
  6. Step 6: Final answer
    x = 350.71

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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.