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Finding the Fourth Proportional to 716.67, 1,074.94 and 229.59

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Solution

The fourth proportional to 716.67, 1,074.94 and 229.59 is: 344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.67 : 1,074.94 = 229.59 : x
  2. Step 2: Convert to fraction form
    716.67/1,074.94 = 229.59/x
  3. Step 3: Cross multiply
    716.67x = 1,074.94 × 229.59
  4. Step 4: Simplify right side
    716.67x = 246,795.47
  5. Step 5: Solve for x
    x = 246,795.47/716.67
  6. Step 6: Final answer
    x = 344.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.