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Finding the Fourth Proportional to 326.41, 450.43 and 179.04

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Solution

The fourth proportional to 326.41, 450.43 and 179.04 is: 247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.41 : 450.43 = 179.04 : x
  2. Step 2: Convert to fraction form
    326.41/450.43 = 179.04/x
  3. Step 3: Cross multiply
    326.41x = 450.43 × 179.04
  4. Step 4: Simplify right side
    326.41x = 80,644.99
  5. Step 5: Solve for x
    x = 80,644.99/326.41
  6. Step 6: Final answer
    x = 247.07

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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.