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Finding the Fourth Proportional to 482,914.80, 724,890.60 and 272,962.80

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Solution

The fourth proportional to 482,914.80, 724,890.60 and 272,962.80 is: 409,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,914.80 : 724,890.60 = 272,962.80 : x
  2. Step 2: Convert to fraction form
    482,914.80/724,890.60 = 272,962.80/x
  3. Step 3: Cross multiply
    482,914.80x = 724,890.60 × 272,962.80
  4. Step 4: Simplify right side
    482,914.80x = 197,868,167,869.68
  5. Step 5: Solve for x
    x = 197,868,167,869.68/482,914.80
  6. Step 6: Final answer
    x = 409,737.22

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