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Finding the Fourth Proportional to 365.73, 548.60 and 134.62

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Solution

The fourth proportional to 365.73, 548.60 and 134.62 is: 201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.73 : 548.60 = 134.62 : x
  2. Step 2: Convert to fraction form
    365.73/548.60 = 134.62/x
  3. Step 3: Cross multiply
    365.73x = 548.60 × 134.62
  4. Step 4: Simplify right side
    365.73x = 73,852.53
  5. Step 5: Solve for x
    x = 73,852.53/365.73
  6. Step 6: Final answer
    x = 201.93

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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.