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Finding the Fourth Proportional to 554,676.83, 765,490.13 and 312,871.17

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Solution

The fourth proportional to 554,676.83, 765,490.13 and 312,871.17 is: 431,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,676.83 : 765,490.13 = 312,871.17 : x
  2. Step 2: Convert to fraction form
    554,676.83/765,490.13 = 312,871.17/x
  3. Step 3: Cross multiply
    554,676.83x = 765,490.13 × 312,871.17
  4. Step 4: Simplify right side
    554,676.83x = 239,499,795,076.05
  5. Step 5: Solve for x
    x = 239,499,795,076.05/554,676.83
  6. Step 6: Final answer
    x = 431,782.59

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