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Finding the Fourth Proportional to 631,737.20, 947,655.48 and 211,014.56

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Solution

The fourth proportional to 631,737.20, 947,655.48 and 211,014.56 is: 316,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,737.20 : 947,655.48 = 211,014.56 : x
  2. Step 2: Convert to fraction form
    631,737.20/947,655.48 = 211,014.56/x
  3. Step 3: Cross multiply
    631,737.20x = 947,655.48 × 211,014.56
  4. Step 4: Simplify right side
    631,737.20x = 199,969,104,143.79
  5. Step 5: Solve for x
    x = 199,969,104,143.79/631,737.20
  6. Step 6: Final answer
    x = 316,538.43

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