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Finding the Fourth Proportional to 365.62, 548.46 and 122.04

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Solution

The fourth proportional to 365.62, 548.46 and 122.04 is: 183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.62 : 548.46 = 122.04 : x
  2. Step 2: Convert to fraction form
    365.62/548.46 = 122.04/x
  3. Step 3: Cross multiply
    365.62x = 548.46 × 122.04
  4. Step 4: Simplify right side
    365.62x = 66,934.06
  5. Step 5: Solve for x
    x = 66,934.06/365.62
  6. Step 6: Final answer
    x = 183.07

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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.