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Finding the Fourth Proportional to 394.76, 592.26 and 232.10

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Solution

The fourth proportional to 394.76, 592.26 and 232.10 is: 348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.76 : 592.26 = 232.10 : x
  2. Step 2: Convert to fraction form
    394.76/592.26 = 232.10/x
  3. Step 3: Cross multiply
    394.76x = 592.26 × 232.10
  4. Step 4: Simplify right side
    394.76x = 137,463.55
  5. Step 5: Solve for x
    x = 137,463.55/394.76
  6. Step 6: Final answer
    x = 348.22

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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.