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Finding the Fourth Proportional to 398,171.60, 597,257.40 and 148,840.40

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Solution

The fourth proportional to 398,171.60, 597,257.40 and 148,840.40 is: 223,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,171.60 : 597,257.40 = 148,840.40 : x
  2. Step 2: Convert to fraction form
    398,171.60/597,257.40 = 148,840.40/x
  3. Step 3: Cross multiply
    398,171.60x = 597,257.40 × 148,840.40
  4. Step 4: Simplify right side
    398,171.60x = 88,896,030,318.96
  5. Step 5: Solve for x
    x = 88,896,030,318.96/398,171.60
  6. Step 6: Final answer
    x = 223,260.60

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