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Finding the Fourth Proportional to 367,683.40, 551,132.70 and 209,571.40

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Solution

The fourth proportional to 367,683.40, 551,132.70 and 209,571.40 is: 314,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,683.40 : 551,132.70 = 209,571.40 : x
  2. Step 2: Convert to fraction form
    367,683.40/551,132.70 = 209,571.40/x
  3. Step 3: Cross multiply
    367,683.40x = 551,132.70 × 209,571.40
  4. Step 4: Simplify right side
    367,683.40x = 115,501,651,524.78
  5. Step 5: Solve for x
    x = 115,501,651,524.78/367,683.40
  6. Step 6: Final answer
    x = 314,133.44

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