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Finding the Fourth Proportional to 646,890.60, 970,335.90 and 366,954.60

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Solution

The fourth proportional to 646,890.60, 970,335.90 and 366,954.60 is: 550,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,890.60 : 970,335.90 = 366,954.60 : x
  2. Step 2: Convert to fraction form
    646,890.60/970,335.90 = 366,954.60/x
  3. Step 3: Cross multiply
    646,890.60x = 970,335.90 × 366,954.60
  4. Step 4: Simplify right side
    646,890.60x = 356,069,222,050.14
  5. Step 5: Solve for x
    x = 356,069,222,050.14/646,890.60
  6. Step 6: Final answer
    x = 550,431.90

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