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Finding the Fourth Proportional to 462,171.80, 693,257.70 and 162,990.20

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Solution

The fourth proportional to 462,171.80, 693,257.70 and 162,990.20 is: 244,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,171.80 : 693,257.70 = 162,990.20 : x
  2. Step 2: Convert to fraction form
    462,171.80/693,257.70 = 162,990.20/x
  3. Step 3: Cross multiply
    462,171.80x = 693,257.70 × 162,990.20
  4. Step 4: Simplify right side
    462,171.80x = 112,994,211,174.54
  5. Step 5: Solve for x
    x = 112,994,211,174.54/462,171.80
  6. Step 6: Final answer
    x = 244,485.30

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