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Finding the Fourth Proportional to 244.74, 336.92 and 189.46

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Solution

The fourth proportional to 244.74, 336.92 and 189.46 is: 260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.74 : 336.92 = 189.46 : x
  2. Step 2: Convert to fraction form
    244.74/336.92 = 189.46/x
  3. Step 3: Cross multiply
    244.74x = 336.92 × 189.46
  4. Step 4: Simplify right side
    244.74x = 63,833.05
  5. Step 5: Solve for x
    x = 63,833.05/244.74
  6. Step 6: Final answer
    x = 260.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.