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Finding the Fourth Proportional to 325.44, 448.88 and 236.75

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Solution

The fourth proportional to 325.44, 448.88 and 236.75 is: 326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.44 : 448.88 = 236.75 : x
  2. Step 2: Convert to fraction form
    325.44/448.88 = 236.75/x
  3. Step 3: Cross multiply
    325.44x = 448.88 × 236.75
  4. Step 4: Simplify right side
    325.44x = 106,268.91
  5. Step 5: Solve for x
    x = 106,268.91/325.44
  6. Step 6: Final answer
    x = 326.54

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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.