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Finding the Fourth Proportional to 548.27, 822.56 and 183.06

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Solution

The fourth proportional to 548.27, 822.56 and 183.06 is: 274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.27 : 822.56 = 183.06 : x
  2. Step 2: Convert to fraction form
    548.27/822.56 = 183.06/x
  3. Step 3: Cross multiply
    548.27x = 822.56 × 183.06
  4. Step 4: Simplify right side
    548.27x = 150,576.92
  5. Step 5: Solve for x
    x = 150,576.92/548.27
  6. Step 6: Final answer
    x = 274.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.