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Finding the Fourth Proportional to 410,961.40, 616,442.10 and 115,473.40

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Solution

The fourth proportional to 410,961.40, 616,442.10 and 115,473.40 is: 173,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,961.40 : 616,442.10 = 115,473.40 : x
  2. Step 2: Convert to fraction form
    410,961.40/616,442.10 = 115,473.40/x
  3. Step 3: Cross multiply
    410,961.40x = 616,442.10 × 115,473.40
  4. Step 4: Simplify right side
    410,961.40x = 71,182,665,190.14
  5. Step 5: Solve for x
    x = 71,182,665,190.14/410,961.40
  6. Step 6: Final answer
    x = 173,210.10

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