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Finding the Fourth Proportional to 456,203.94, 684,261.93 and 140,576.10

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Solution

The fourth proportional to 456,203.94, 684,261.93 and 140,576.10 is: 210,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,203.94 : 684,261.93 = 140,576.10 : x
  2. Step 2: Convert to fraction form
    456,203.94/684,261.93 = 140,576.10/x
  3. Step 3: Cross multiply
    456,203.94x = 684,261.93 × 140,576.10
  4. Step 4: Simplify right side
    456,203.94x = 96,190,873,497.87
  5. Step 5: Solve for x
    x = 96,190,873,497.87/456,203.94
  6. Step 6: Final answer
    x = 210,850.60

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