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Finding the Fourth Proportional to 252.26, 347.65 and 178.46

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Solution

The fourth proportional to 252.26, 347.65 and 178.46 is: 245.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.26 : 347.65 = 178.46 : x
  2. Step 2: Convert to fraction form
    252.26/347.65 = 178.46/x
  3. Step 3: Cross multiply
    252.26x = 347.65 × 178.46
  4. Step 4: Simplify right side
    252.26x = 62,041.62
  5. Step 5: Solve for x
    x = 62,041.62/252.26
  6. Step 6: Final answer
    x = 245.94

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