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Finding the Fourth Proportional to 238.29, 357.93 and 173.49

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Solution

The fourth proportional to 238.29, 357.93 and 173.49 is: 260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.29 : 357.93 = 173.49 : x
  2. Step 2: Convert to fraction form
    238.29/357.93 = 173.49/x
  3. Step 3: Cross multiply
    238.29x = 357.93 × 173.49
  4. Step 4: Simplify right side
    238.29x = 62,097.28
  5. Step 5: Solve for x
    x = 62,097.28/238.29
  6. Step 6: Final answer
    x = 260.60

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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.