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Finding the Fourth Proportional to 244.11, 334.61 and 243.70

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Solution

The fourth proportional to 244.11, 334.61 and 243.70 is: 334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.11 : 334.61 = 243.70 : x
  2. Step 2: Convert to fraction form
    244.11/334.61 = 243.70/x
  3. Step 3: Cross multiply
    244.11x = 334.61 × 243.70
  4. Step 4: Simplify right side
    244.11x = 81,544.46
  5. Step 5: Solve for x
    x = 81,544.46/244.11
  6. Step 6: Final answer
    x = 334.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.