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Finding the Fourth Proportional to 395.94, 594.02 and 122.04

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Solution

The fourth proportional to 395.94, 594.02 and 122.04 is: 183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.94 : 594.02 = 122.04 : x
  2. Step 2: Convert to fraction form
    395.94/594.02 = 122.04/x
  3. Step 3: Cross multiply
    395.94x = 594.02 × 122.04
  4. Step 4: Simplify right side
    395.94x = 72,494.20
  5. Step 5: Solve for x
    x = 72,494.20/395.94
  6. Step 6: Final answer
    x = 183.09

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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.