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Finding the Fourth Proportional to 379.34, 523.51 and 232.00

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Solution

The fourth proportional to 379.34, 523.51 and 232.00 is: 320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.34 : 523.51 = 232.00 : x
  2. Step 2: Convert to fraction form
    379.34/523.51 = 232.00/x
  3. Step 3: Cross multiply
    379.34x = 523.51 × 232.00
  4. Step 4: Simplify right side
    379.34x = 121,451.70
  5. Step 5: Solve for x
    x = 121,451.70/379.34
  6. Step 6: Final answer
    x = 320.17

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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.