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Finding the Fourth Proportional to 263.96, 364.56 and 190.38

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Solution

The fourth proportional to 263.96, 364.56 and 190.38 is: 262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.96 : 364.56 = 190.38 : x
  2. Step 2: Convert to fraction form
    263.96/364.56 = 190.38/x
  3. Step 3: Cross multiply
    263.96x = 364.56 × 190.38
  4. Step 4: Simplify right side
    263.96x = 69,404.93
  5. Step 5: Solve for x
    x = 69,404.93/263.96
  6. Step 6: Final answer
    x = 262.94

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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.