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Finding the Fourth Proportional to 394.83, 592.11 and 250.38

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Solution

The fourth proportional to 394.83, 592.11 and 250.38 is: 375.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    394.83 : 592.11 = 250.38 : x
  2. Step 2: Convert to fraction form
    394.83/592.11 = 250.38/x
  3. Step 3: Cross multiply
    394.83x = 592.11 × 250.38
  4. Step 4: Simplify right side
    394.83x = 148,252.50
  5. Step 5: Solve for x
    x = 148,252.50/394.83
  6. Step 6: Final answer
    x = 375.48

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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.