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Finding the Fourth Proportional to 613,328.40, 919,992.60 and 534,596.40

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Solution

The fourth proportional to 613,328.40, 919,992.60 and 534,596.40 is: 801,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,328.40 : 919,992.60 = 534,596.40 : x
  2. Step 2: Convert to fraction form
    613,328.40/919,992.60 = 534,596.40/x
  3. Step 3: Cross multiply
    613,328.40x = 919,992.60 × 534,596.40
  4. Step 4: Simplify right side
    613,328.40x = 491,824,731,986.64
  5. Step 5: Solve for x
    x = 491,824,731,986.64/613,328.40
  6. Step 6: Final answer
    x = 801,894.60

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