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Finding the Fourth Proportional to 325.98, 449.88 and 186.11

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Solution

The fourth proportional to 325.98, 449.88 and 186.11 is: 256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.98 : 449.88 = 186.11 : x
  2. Step 2: Convert to fraction form
    325.98/449.88 = 186.11/x
  3. Step 3: Cross multiply
    325.98x = 449.88 × 186.11
  4. Step 4: Simplify right side
    325.98x = 83,724.92
  5. Step 5: Solve for x
    x = 83,724.92/325.98
  6. Step 6: Final answer
    x = 256.84

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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.