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Finding the Fourth Proportional to 293.96, 441.21 and 191.36

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Solution

The fourth proportional to 293.96, 441.21 and 191.36 is: 287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.96 : 441.21 = 191.36 : x
  2. Step 2: Convert to fraction form
    293.96/441.21 = 191.36/x
  3. Step 3: Cross multiply
    293.96x = 441.21 × 191.36
  4. Step 4: Simplify right side
    293.96x = 84,429.95
  5. Step 5: Solve for x
    x = 84,429.95/293.96
  6. Step 6: Final answer
    x = 287.22

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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.