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Finding the Fourth Proportional to 263.49, 361.47 and 246.93

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Solution

The fourth proportional to 263.49, 361.47 and 246.93 is: 338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.49 : 361.47 = 246.93 : x
  2. Step 2: Convert to fraction form
    263.49/361.47 = 246.93/x
  3. Step 3: Cross multiply
    263.49x = 361.47 × 246.93
  4. Step 4: Simplify right side
    263.49x = 89,257.79
  5. Step 5: Solve for x
    x = 89,257.79/263.49
  6. Step 6: Final answer
    x = 338.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.