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Finding the Fourth Proportional to 664,759.44, 997,201.87 and 515,167.28

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Solution

The fourth proportional to 664,759.44, 997,201.87 and 515,167.28 is: 772,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,759.44 : 997,201.87 = 515,167.28 : x
  2. Step 2: Convert to fraction form
    664,759.44/997,201.87 = 515,167.28/x
  3. Step 3: Cross multiply
    664,759.44x = 997,201.87 × 515,167.28
  4. Step 4: Simplify right side
    664,759.44x = 513,725,774,978.81
  5. Step 5: Solve for x
    x = 513,725,774,978.81/664,759.44
  6. Step 6: Final answer
    x = 772,799.52

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