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Finding the Fourth Proportional to 548.69, 822.52 and 201.94

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Solution

The fourth proportional to 548.69, 822.52 and 201.94 is: 302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.69 : 822.52 = 201.94 : x
  2. Step 2: Convert to fraction form
    548.69/822.52 = 201.94/x
  3. Step 3: Cross multiply
    548.69x = 822.52 × 201.94
  4. Step 4: Simplify right side
    548.69x = 166,099.69
  5. Step 5: Solve for x
    x = 166,099.69/548.69
  6. Step 6: Final answer
    x = 302.72

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