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Finding the Fourth Proportional to 244.40, 336.84 and 170.48

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Solution

The fourth proportional to 244.40, 336.84 and 170.48 is: 234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.40 : 336.84 = 170.48 : x
  2. Step 2: Convert to fraction form
    244.40/336.84 = 170.48/x
  3. Step 3: Cross multiply
    244.40x = 336.84 × 170.48
  4. Step 4: Simplify right side
    244.40x = 57,424.48
  5. Step 5: Solve for x
    x = 57,424.48/244.40
  6. Step 6: Final answer
    x = 234.96

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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.