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Finding the Fourth Proportional to 314,840.60, 472,260.90 and 104,485.40

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Solution

The fourth proportional to 314,840.60, 472,260.90 and 104,485.40 is: 156,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,840.60 : 472,260.90 = 104,485.40 : x
  2. Step 2: Convert to fraction form
    314,840.60/472,260.90 = 104,485.40/x
  3. Step 3: Cross multiply
    314,840.60x = 472,260.90 × 104,485.40
  4. Step 4: Simplify right side
    314,840.60x = 49,344,369,040.86
  5. Step 5: Solve for x
    x = 49,344,369,040.86/314,840.60
  6. Step 6: Final answer
    x = 156,728.10

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