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Finding the Fourth Proportional to 461,154.40, 691,731.60 and 274,069.60

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Solution

The fourth proportional to 461,154.40, 691,731.60 and 274,069.60 is: 411,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,154.40 : 691,731.60 = 274,069.60 : x
  2. Step 2: Convert to fraction form
    461,154.40/691,731.60 = 274,069.60/x
  3. Step 3: Cross multiply
    461,154.40x = 691,731.60 × 274,069.60
  4. Step 4: Simplify right side
    461,154.40x = 189,582,602,919.36
  5. Step 5: Solve for x
    x = 189,582,602,919.36/461,154.40
  6. Step 6: Final answer
    x = 411,104.40

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