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Finding the Fourth Proportional to 391,597.39, 587,396.53 and 107,290.35

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Solution

The fourth proportional to 391,597.39, 587,396.53 and 107,290.35 is: 160,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,597.39 : 587,396.53 = 107,290.35 : x
  2. Step 2: Convert to fraction form
    391,597.39/587,396.53 = 107,290.35/x
  3. Step 3: Cross multiply
    391,597.39x = 587,396.53 × 107,290.35
  4. Step 4: Simplify right side
    391,597.39x = 63,021,978,076.30
  5. Step 5: Solve for x
    x = 63,021,978,076.30/391,597.39
  6. Step 6: Final answer
    x = 160,935.65

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