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Finding the Fourth Proportional to 379.73, 524.01 and 232.38

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Solution

The fourth proportional to 379.73, 524.01 and 232.38 is: 320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.73 : 524.01 = 232.38 : x
  2. Step 2: Convert to fraction form
    379.73/524.01 = 232.38/x
  3. Step 3: Cross multiply
    379.73x = 524.01 × 232.38
  4. Step 4: Simplify right side
    379.73x = 121,768.28
  5. Step 5: Solve for x
    x = 121,768.28/379.73
  6. Step 6: Final answer
    x = 320.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.