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Finding the Fourth Proportional to 716.10, 1,073.94 and 229.08

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Solution

The fourth proportional to 716.10, 1,073.94 and 229.08 is: 343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.10 : 1,073.94 = 229.08 : x
  2. Step 2: Convert to fraction form
    716.10/1,073.94 = 229.08/x
  3. Step 3: Cross multiply
    716.10x = 1,073.94 × 229.08
  4. Step 4: Simplify right side
    716.10x = 246,022.63
  5. Step 5: Solve for x
    x = 246,022.63/716.10
  6. Step 6: Final answer
    x = 343.56

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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.