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Finding the Fourth Proportional to 971,978.06, 1,458,617.85 and 403,359.72

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Solution

The fourth proportional to 971,978.06, 1,458,617.85 and 403,359.72 is: 605,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,978.06 : 1,458,617.85 = 403,359.72 : x
  2. Step 2: Convert to fraction form
    971,978.06/1,458,617.85 = 403,359.72/x
  3. Step 3: Cross multiply
    971,978.06x = 1,458,617.85 × 403,359.72
  4. Step 4: Simplify right side
    971,978.06x = 588,347,687,563.00
  5. Step 5: Solve for x
    x = 588,347,687,563.00/971,978.06
  6. Step 6: Final answer
    x = 605,309.64

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