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Finding the Fourth Proportional to 519,605.80, 779,246.70 and 204,159.40

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Solution

The fourth proportional to 519,605.80, 779,246.70 and 204,159.40 is: 306,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,605.80 : 779,246.70 = 204,159.40 : x
  2. Step 2: Convert to fraction form
    519,605.80/779,246.70 = 204,159.40/x
  3. Step 3: Cross multiply
    519,605.80x = 779,246.70 × 204,159.40
  4. Step 4: Simplify right side
    519,605.80x = 159,090,538,723.98
  5. Step 5: Solve for x
    x = 159,090,538,723.98/519,605.80
  6. Step 6: Final answer
    x = 306,175.45

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