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Finding the Fourth Proportional to 307,720.40, 461,710.20 and 167,579.60

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Solution

The fourth proportional to 307,720.40, 461,710.20 and 167,579.60 is: 251,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,720.40 : 461,710.20 = 167,579.60 : x
  2. Step 2: Convert to fraction form
    307,720.40/461,710.20 = 167,579.60/x
  3. Step 3: Cross multiply
    307,720.40x = 461,710.20 × 167,579.60
  4. Step 4: Simplify right side
    307,720.40x = 77,373,210,631.92
  5. Step 5: Solve for x
    x = 77,373,210,631.92/307,720.40
  6. Step 6: Final answer
    x = 251,439.98

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