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Finding the Fourth Proportional to 482,796.40, 724,194.60 and 283,212.40

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Solution

The fourth proportional to 482,796.40, 724,194.60 and 283,212.40 is: 424,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,796.40 : 724,194.60 = 283,212.40 : x
  2. Step 2: Convert to fraction form
    482,796.40/724,194.60 = 283,212.40/x
  3. Step 3: Cross multiply
    482,796.40x = 724,194.60 × 283,212.40
  4. Step 4: Simplify right side
    482,796.40x = 205,100,890,733.04
  5. Step 5: Solve for x
    x = 205,100,890,733.04/482,796.40
  6. Step 6: Final answer
    x = 424,818.60

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