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Finding the Fourth Proportional to 486,024.80, 729,037.20 and 367,926.80

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Solution

The fourth proportional to 486,024.80, 729,037.20 and 367,926.80 is: 551,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,024.80 : 729,037.20 = 367,926.80 : x
  2. Step 2: Convert to fraction form
    486,024.80/729,037.20 = 367,926.80/x
  3. Step 3: Cross multiply
    486,024.80x = 729,037.20 × 367,926.80
  4. Step 4: Simplify right side
    486,024.80x = 268,232,324,076.96
  5. Step 5: Solve for x
    x = 268,232,324,076.96/486,024.80
  6. Step 6: Final answer
    x = 551,890.20

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