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Finding the Fourth Proportional to 567,528.88, 783,218.82 and 312,879.46

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Solution

The fourth proportional to 567,528.88, 783,218.82 and 312,879.46 is: 431,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,528.88 : 783,218.82 = 312,879.46 : x
  2. Step 2: Convert to fraction form
    567,528.88/783,218.82 = 312,879.46/x
  3. Step 3: Cross multiply
    567,528.88x = 783,218.82 × 312,879.46
  4. Step 4: Simplify right side
    567,528.88x = 245,053,081,463.44
  5. Step 5: Solve for x
    x = 245,053,081,463.44/567,528.88
  6. Step 6: Final answer
    x = 431,789.62

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