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Finding the Fourth Proportional to 263.24, 362.94 and 213.98

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Solution

The fourth proportional to 263.24, 362.94 and 213.98 is: 295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.24 : 362.94 = 213.98 : x
  2. Step 2: Convert to fraction form
    263.24/362.94 = 213.98/x
  3. Step 3: Cross multiply
    263.24x = 362.94 × 213.98
  4. Step 4: Simplify right side
    263.24x = 77,661.90
  5. Step 5: Solve for x
    x = 77,661.90/263.24
  6. Step 6: Final answer
    x = 295.02

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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.