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Finding the Fourth Proportional to 449.53, 674.60 and 233.26

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Solution

The fourth proportional to 449.53, 674.60 and 233.26 is: 350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.53 : 674.60 = 233.26 : x
  2. Step 2: Convert to fraction form
    449.53/674.60 = 233.26/x
  3. Step 3: Cross multiply
    449.53x = 674.60 × 233.26
  4. Step 4: Simplify right side
    449.53x = 157,354.34
  5. Step 5: Solve for x
    x = 157,354.34/449.53
  6. Step 6: Final answer
    x = 350.04

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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.