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Finding the Fourth Proportional to 361.99, 543.86 and 232.25

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Solution

The fourth proportional to 361.99, 543.86 and 232.25 is: 348.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.99 : 543.86 = 232.25 : x
  2. Step 2: Convert to fraction form
    361.99/543.86 = 232.25/x
  3. Step 3: Cross multiply
    361.99x = 543.86 × 232.25
  4. Step 4: Simplify right side
    361.99x = 126,311.49
  5. Step 5: Solve for x
    x = 126,311.49/361.99
  6. Step 6: Final answer
    x = 348.94

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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.