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Finding the Fourth Proportional to 486,231.61, 729,405.59 and 149,228.15

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Solution

The fourth proportional to 486,231.61, 729,405.59 and 149,228.15 is: 223,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,231.61 : 729,405.59 = 149,228.15 : x
  2. Step 2: Convert to fraction form
    486,231.61/729,405.59 = 149,228.15/x
  3. Step 3: Cross multiply
    486,231.61x = 729,405.59 × 149,228.15
  4. Step 4: Simplify right side
    486,231.61x = 108,847,847,758.33
  5. Step 5: Solve for x
    x = 108,847,847,758.33/486,231.61
  6. Step 6: Final answer
    x = 223,860.08

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