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Finding the Fourth Proportional to 365.67, 548.34 and 134.52

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Solution

The fourth proportional to 365.67, 548.34 and 134.52 is: 201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.67 : 548.34 = 134.52 : x
  2. Step 2: Convert to fraction form
    365.67/548.34 = 134.52/x
  3. Step 3: Cross multiply
    365.67x = 548.34 × 134.52
  4. Step 4: Simplify right side
    365.67x = 73,762.70
  5. Step 5: Solve for x
    x = 73,762.70/365.67
  6. Step 6: Final answer
    x = 201.72

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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.