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Finding the Fourth Proportional to 376.07, 564.24 and 231.62

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Solution

The fourth proportional to 376.07, 564.24 and 231.62 is: 347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.07 : 564.24 = 231.62 : x
  2. Step 2: Convert to fraction form
    376.07/564.24 = 231.62/x
  3. Step 3: Cross multiply
    376.07x = 564.24 × 231.62
  4. Step 4: Simplify right side
    376.07x = 130,689.27
  5. Step 5: Solve for x
    x = 130,689.27/376.07
  6. Step 6: Final answer
    x = 347.51

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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.