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Finding the Fourth Proportional to 326.37, 450.39 and 179.00

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Solution

The fourth proportional to 326.37, 450.39 and 179.00 is: 247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.37 : 450.39 = 179.00 : x
  2. Step 2: Convert to fraction form
    326.37/450.39 = 179.00/x
  3. Step 3: Cross multiply
    326.37x = 450.39 × 179.00
  4. Step 4: Simplify right side
    326.37x = 80,620.94
  5. Step 5: Solve for x
    x = 80,620.94/326.37
  6. Step 6: Final answer
    x = 247.02

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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.