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Finding the Fourth Proportional to 394.92, 592.65 and 232.83

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Solution

The fourth proportional to 394.92, 592.65 and 232.83 is: 349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.92 : 592.65 = 232.83 : x
  2. Step 2: Convert to fraction form
    394.92/592.65 = 232.83/x
  3. Step 3: Cross multiply
    394.92x = 592.65 × 232.83
  4. Step 4: Simplify right side
    394.92x = 137,986.70
  5. Step 5: Solve for x
    x = 137,986.70/394.92
  6. Step 6: Final answer
    x = 349.40

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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.