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Finding the Fourth Proportional to 548.73, 822.92 and 183.42

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Solution

The fourth proportional to 548.73, 822.92 and 183.42 is: 275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.73 : 822.92 = 183.42 : x
  2. Step 2: Convert to fraction form
    548.73/822.92 = 183.42/x
  3. Step 3: Cross multiply
    548.73x = 822.92 × 183.42
  4. Step 4: Simplify right side
    548.73x = 150,939.99
  5. Step 5: Solve for x
    x = 150,939.99/548.73
  6. Step 6: Final answer
    x = 275.07

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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.