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Finding the Fourth Proportional to 485,165.22, 727,888.12 and 200,803.20

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Solution

The fourth proportional to 485,165.22, 727,888.12 and 200,803.20 is: 301,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,165.22 : 727,888.12 = 200,803.20 : x
  2. Step 2: Convert to fraction form
    485,165.22/727,888.12 = 200,803.20/x
  3. Step 3: Cross multiply
    485,165.22x = 727,888.12 × 200,803.20
  4. Step 4: Simplify right side
    485,165.22x = 146,162,263,737.98
  5. Step 5: Solve for x
    x = 146,162,263,737.98/485,165.22
  6. Step 6: Final answer
    x = 301,262.86

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