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Finding the Fourth Proportional to 263.75, 363.32 and 246.74

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Solution

The fourth proportional to 263.75, 363.32 and 246.74 is: 339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.75 : 363.32 = 246.74 : x
  2. Step 2: Convert to fraction form
    263.75/363.32 = 246.74/x
  3. Step 3: Cross multiply
    263.75x = 363.32 × 246.74
  4. Step 4: Simplify right side
    263.75x = 89,645.58
  5. Step 5: Solve for x
    x = 89,645.58/263.75
  6. Step 6: Final answer
    x = 339.89

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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.