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Finding the Fourth Proportional to 331.14, 496.94 and 244.70

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Solution

The fourth proportional to 331.14, 496.94 and 244.70 is: 367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.14 : 496.94 = 244.70 : x
  2. Step 2: Convert to fraction form
    331.14/496.94 = 244.70/x
  3. Step 3: Cross multiply
    331.14x = 496.94 × 244.70
  4. Step 4: Simplify right side
    331.14x = 121,597.51
  5. Step 5: Solve for x
    x = 121,597.51/331.14
  6. Step 6: Final answer
    x = 367.21

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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.