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Finding the Fourth Proportional to 325.83, 449.44 and 226.08

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Solution

The fourth proportional to 325.83, 449.44 and 226.08 is: 311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.83 : 449.44 = 226.08 : x
  2. Step 2: Convert to fraction form
    325.83/449.44 = 226.08/x
  3. Step 3: Cross multiply
    325.83x = 449.44 × 226.08
  4. Step 4: Simplify right side
    325.83x = 101,610.72
  5. Step 5: Solve for x
    x = 101,610.72/325.83
  6. Step 6: Final answer
    x = 311.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.