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Finding the Fourth Proportional to 293.84, 405.44 and 169.50

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Solution

The fourth proportional to 293.84, 405.44 and 169.50 is: 233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.84 : 405.44 = 169.50 : x
  2. Step 2: Convert to fraction form
    293.84/405.44 = 169.50/x
  3. Step 3: Cross multiply
    293.84x = 405.44 × 169.50
  4. Step 4: Simplify right side
    293.84x = 68,722.08
  5. Step 5: Solve for x
    x = 68,722.08/293.84
  6. Step 6: Final answer
    x = 233.88

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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.