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Finding the Fourth Proportional to 469.92, 705 and 226.56

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Solution

The fourth proportional to 469.92, 705 and 226.56 is: 339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.92 : 705 = 226.56 : x
  2. Step 2: Convert to fraction form
    469.92/705 = 226.56/x
  3. Step 3: Cross multiply
    469.92x = 705 × 226.56
  4. Step 4: Simplify right side
    469.92x = 159,724.80
  5. Step 5: Solve for x
    x = 159,724.80/469.92
  6. Step 6: Final answer
    x = 339.90

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