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Finding the Fourth Proportional to 376.41, 564.75 and 231.96

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Solution

The fourth proportional to 376.41, 564.75 and 231.96 is: 348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.41 : 564.75 = 231.96 : x
  2. Step 2: Convert to fraction form
    376.41/564.75 = 231.96/x
  3. Step 3: Cross multiply
    376.41x = 564.75 × 231.96
  4. Step 4: Simplify right side
    376.41x = 130,999.41
  5. Step 5: Solve for x
    x = 130,999.41/376.41
  6. Step 6: Final answer
    x = 348.02

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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.