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Finding the Fourth Proportional to 365.73, 548.73 and 170.84

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Solution

The fourth proportional to 365.73, 548.73 and 170.84 is: 256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.73 : 548.73 = 170.84 : x
  2. Step 2: Convert to fraction form
    365.73/548.73 = 170.84/x
  3. Step 3: Cross multiply
    365.73x = 548.73 × 170.84
  4. Step 4: Simplify right side
    365.73x = 93,745.03
  5. Step 5: Solve for x
    x = 93,745.03/365.73
  6. Step 6: Final answer
    x = 256.32

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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.