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Finding the Fourth Proportional to 367,028.80, 550,543.20 and 311,041.60

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Solution

The fourth proportional to 367,028.80, 550,543.20 and 311,041.60 is: 466,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,028.80 : 550,543.20 = 311,041.60 : x
  2. Step 2: Convert to fraction form
    367,028.80/550,543.20 = 311,041.60/x
  3. Step 3: Cross multiply
    367,028.80x = 550,543.20 × 311,041.60
  4. Step 4: Simplify right side
    367,028.80x = 171,241,837,797.12
  5. Step 5: Solve for x
    x = 171,241,837,797.12/367,028.80
  6. Step 6: Final answer
    x = 466,562.40

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