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Finding the Fourth Proportional to 328,616.20, 492,924.30 and 118,226.80

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Solution

The fourth proportional to 328,616.20, 492,924.30 and 118,226.80 is: 177,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,616.20 : 492,924.30 = 118,226.80 : x
  2. Step 2: Convert to fraction form
    328,616.20/492,924.30 = 118,226.80/x
  3. Step 3: Cross multiply
    328,616.20x = 492,924.30 × 118,226.80
  4. Step 4: Simplify right side
    328,616.20x = 58,276,862,631.24
  5. Step 5: Solve for x
    x = 58,276,862,631.24/328,616.20
  6. Step 6: Final answer
    x = 177,340.20

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