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Finding the Fourth Proportional to 548.68, 757.23 and 327.64

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Solution

The fourth proportional to 548.68, 757.23 and 327.64 is: 452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.68 : 757.23 = 327.64 : x
  2. Step 2: Convert to fraction form
    548.68/757.23 = 327.64/x
  3. Step 3: Cross multiply
    548.68x = 757.23 × 327.64
  4. Step 4: Simplify right side
    548.68x = 248,098.84
  5. Step 5: Solve for x
    x = 248,098.84/548.68
  6. Step 6: Final answer
    x = 452.17

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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.