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Finding the Fourth Proportional to 367,989.20, 551,983.80 and 256,014.80

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Solution

The fourth proportional to 367,989.20, 551,983.80 and 256,014.80 is: 384,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,989.20 : 551,983.80 = 256,014.80 : x
  2. Step 2: Convert to fraction form
    367,989.20/551,983.80 = 256,014.80/x
  3. Step 3: Cross multiply
    367,989.20x = 551,983.80 × 256,014.80
  4. Step 4: Simplify right side
    367,989.20x = 141,316,022,160.24
  5. Step 5: Solve for x
    x = 141,316,022,160.24/367,989.20
  6. Step 6: Final answer
    x = 384,022.20

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