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Finding the Fourth Proportional to 310,882.80, 466,324.20 and 216,404.40

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Solution

The fourth proportional to 310,882.80, 466,324.20 and 216,404.40 is: 324,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,882.80 : 466,324.20 = 216,404.40 : x
  2. Step 2: Convert to fraction form
    310,882.80/466,324.20 = 216,404.40/x
  3. Step 3: Cross multiply
    310,882.80x = 466,324.20 × 216,404.40
  4. Step 4: Simplify right side
    310,882.80x = 100,914,608,706.48
  5. Step 5: Solve for x
    x = 100,914,608,706.48/310,882.80
  6. Step 6: Final answer
    x = 324,606.60

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