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Finding the Fourth Proportional to 977,884.80, 1,465,660.80 and 409,264.80

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Solution

The fourth proportional to 977,884.80, 1,465,660.80 and 409,264.80 is: 613,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,884.80 : 1,465,660.80 = 409,264.80 : x
  2. Step 2: Convert to fraction form
    977,884.80/1,465,660.80 = 409,264.80/x
  3. Step 3: Cross multiply
    977,884.80x = 1,465,660.80 × 409,264.80
  4. Step 4: Simplify right side
    977,884.80x = 599,843,374,179.84
  5. Step 5: Solve for x
    x = 599,843,374,179.84/977,884.80
  6. Step 6: Final answer
    x = 613,409.04

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