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Finding the Fourth Proportional to 342.99, 514.61 and 169.65

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Solution

The fourth proportional to 342.99, 514.61 and 169.65 is: 254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.99 : 514.61 = 169.65 : x
  2. Step 2: Convert to fraction form
    342.99/514.61 = 169.65/x
  3. Step 3: Cross multiply
    342.99x = 514.61 × 169.65
  4. Step 4: Simplify right side
    342.99x = 87,301.44
  5. Step 5: Solve for x
    x = 87,301.44/342.99
  6. Step 6: Final answer
    x = 254.53

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