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Finding the Fourth Proportional to 567,891.40, 851,837.10 and 426,173.80

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Solution

The fourth proportional to 567,891.40, 851,837.10 and 426,173.80 is: 639,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,891.40 : 851,837.10 = 426,173.80 : x
  2. Step 2: Convert to fraction form
    567,891.40/851,837.10 = 426,173.80/x
  3. Step 3: Cross multiply
    567,891.40x = 851,837.10 × 426,173.80
  4. Step 4: Simplify right side
    567,891.40x = 363,030,653,887.98
  5. Step 5: Solve for x
    x = 363,030,653,887.98/567,891.40
  6. Step 6: Final answer
    x = 639,260.70

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