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Finding the Fourth Proportional to 244.30, 366.41 and 122.49

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Solution

The fourth proportional to 244.30, 366.41 and 122.49 is: 183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.30 : 366.41 = 122.49 : x
  2. Step 2: Convert to fraction form
    244.30/366.41 = 122.49/x
  3. Step 3: Cross multiply
    244.30x = 366.41 × 122.49
  4. Step 4: Simplify right side
    244.30x = 44,879.12
  5. Step 5: Solve for x
    x = 44,879.12/244.30
  6. Step 6: Final answer
    x = 183.70

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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.