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Finding the Fourth Proportional to 244.38, 336.84 and 170.58

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Solution

The fourth proportional to 244.38, 336.84 and 170.58 is: 235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.38 : 336.84 = 170.58 : x
  2. Step 2: Convert to fraction form
    244.38/336.84 = 170.58/x
  3. Step 3: Cross multiply
    244.38x = 336.84 × 170.58
  4. Step 4: Simplify right side
    244.38x = 57,458.17
  5. Step 5: Solve for x
    x = 57,458.17/244.38
  6. Step 6: Final answer
    x = 235.12

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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.