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Finding the Fourth Proportional to 229.89, 344.56 and 175.62

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Solution

The fourth proportional to 229.89, 344.56 and 175.62 is: 263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.89 : 344.56 = 175.62 : x
  2. Step 2: Convert to fraction form
    229.89/344.56 = 175.62/x
  3. Step 3: Cross multiply
    229.89x = 344.56 × 175.62
  4. Step 4: Simplify right side
    229.89x = 60,511.63
  5. Step 5: Solve for x
    x = 60,511.63/229.89
  6. Step 6: Final answer
    x = 263.22

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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.