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Finding the Fourth Proportional to 556,431.28, 834,712.08 and 177,218.80

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Solution

The fourth proportional to 556,431.28, 834,712.08 and 177,218.80 is: 265,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,431.28 : 834,712.08 = 177,218.80 : x
  2. Step 2: Convert to fraction form
    556,431.28/834,712.08 = 177,218.80/x
  3. Step 3: Cross multiply
    556,431.28x = 834,712.08 × 177,218.80
  4. Step 4: Simplify right side
    556,431.28x = 147,926,673,163.10
  5. Step 5: Solve for x
    x = 147,926,673,163.10/556,431.28
  6. Step 6: Final answer
    x = 265,848.95

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