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Finding the Fourth Proportional to 366,885.80, 550,328.70 and 317,022.20

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Solution

The fourth proportional to 366,885.80, 550,328.70 and 317,022.20 is: 475,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,885.80 : 550,328.70 = 317,022.20 : x
  2. Step 2: Convert to fraction form
    366,885.80/550,328.70 = 317,022.20/x
  3. Step 3: Cross multiply
    366,885.80x = 550,328.70 × 317,022.20
  4. Step 4: Simplify right side
    366,885.80x = 174,466,415,197.14
  5. Step 5: Solve for x
    x = 174,466,415,197.14/366,885.80
  6. Step 6: Final answer
    x = 475,533.30

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