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Finding the Fourth Proportional to 326.12, 450.16 and 236.44

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Solution

The fourth proportional to 326.12, 450.16 and 236.44 is: 326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.12 : 450.16 = 236.44 : x
  2. Step 2: Convert to fraction form
    326.12/450.16 = 236.44/x
  3. Step 3: Cross multiply
    326.12x = 450.16 × 236.44
  4. Step 4: Simplify right side
    326.12x = 106,435.83
  5. Step 5: Solve for x
    x = 106,435.83/326.12
  6. Step 6: Final answer
    x = 326.37

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