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Finding the Fourth Proportional to 548.24, 822.33 and 223.59

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Solution

The fourth proportional to 548.24, 822.33 and 223.59 is: 335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.24 : 822.33 = 223.59 : x
  2. Step 2: Convert to fraction form
    548.24/822.33 = 223.59/x
  3. Step 3: Cross multiply
    548.24x = 822.33 × 223.59
  4. Step 4: Simplify right side
    548.24x = 183,867.85
  5. Step 5: Solve for x
    x = 183,867.85/548.24
  6. Step 6: Final answer
    x = 335.38

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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.