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Finding the Fourth Proportional to 264.48, 395.82 and 191.46

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Solution

The fourth proportional to 264.48, 395.82 and 191.46 is: 286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.48 : 395.82 = 191.46 : x
  2. Step 2: Convert to fraction form
    264.48/395.82 = 191.46/x
  3. Step 3: Cross multiply
    264.48x = 395.82 × 191.46
  4. Step 4: Simplify right side
    264.48x = 75,783.70
  5. Step 5: Solve for x
    x = 75,783.70/264.48
  6. Step 6: Final answer
    x = 286.54

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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.