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Finding the Fourth Proportional to 325.83, 449.67 and 178.48

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Solution

The fourth proportional to 325.83, 449.67 and 178.48 is: 246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.83 : 449.67 = 178.48 : x
  2. Step 2: Convert to fraction form
    325.83/449.67 = 178.48/x
  3. Step 3: Cross multiply
    325.83x = 449.67 × 178.48
  4. Step 4: Simplify right side
    325.83x = 80,258.33
  5. Step 5: Solve for x
    x = 80,258.33/325.83
  6. Step 6: Final answer
    x = 246.32

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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.