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Finding the Fourth Proportional to 394.56, 592.02 and 151.04

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Solution

The fourth proportional to 394.56, 592.02 and 151.04 is: 226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.56 : 592.02 = 151.04 : x
  2. Step 2: Convert to fraction form
    394.56/592.02 = 151.04/x
  3. Step 3: Cross multiply
    394.56x = 592.02 × 151.04
  4. Step 4: Simplify right side
    394.56x = 89,418.70
  5. Step 5: Solve for x
    x = 89,418.70/394.56
  6. Step 6: Final answer
    x = 226.63

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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.