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Finding the Fourth Proportional to 548.23, 822.48 and 183.03

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Solution

The fourth proportional to 548.23, 822.48 and 183.03 is: 274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.23 : 822.48 = 183.03 : x
  2. Step 2: Convert to fraction form
    548.23/822.48 = 183.03/x
  3. Step 3: Cross multiply
    548.23x = 822.48 × 183.03
  4. Step 4: Simplify right side
    548.23x = 150,538.51
  5. Step 5: Solve for x
    x = 150,538.51/548.23
  6. Step 6: Final answer
    x = 274.59

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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.