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Finding the Fourth Proportional to 367,415.80, 551,447.70 and 217,468.60

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Solution

The fourth proportional to 367,415.80, 551,447.70 and 217,468.60 is: 326,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415.80 : 551,447.70 = 217,468.60 : x
  2. Step 2: Convert to fraction form
    367,415.80/551,447.70 = 217,468.60/x
  3. Step 3: Cross multiply
    367,415.80x = 551,447.70 × 217,468.60
  4. Step 4: Simplify right side
    367,415.80x = 119,922,559,292.22
  5. Step 5: Solve for x
    x = 119,922,559,292.22/367,415.80
  6. Step 6: Final answer
    x = 326,394.67

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