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Finding the Fourth Proportional to 336,749,226.80, 505,123,840.20 and 191,630,404.40

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Solution

The fourth proportional to 336,749,226.80, 505,123,840.20 and 191,630,404.40 is: 287,445,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,749,226.80 : 505,123,840.20 = 191,630,404.40 : x
  2. Step 2: Convert to fraction form
    336,749,226.80/505,123,840.20 = 191,630,404.40/x
  3. Step 3: Cross multiply
    336,749,226.80x = 505,123,840.20 × 191,630,404.40
  4. Step 4: Simplify right side
    336,749,226.80x = 96,797,085,769,606,976
  5. Step 5: Solve for x
    x = 96,797,085,769,606,976/336,749,226.80
  6. Step 6: Final answer
    x = 287,445,606.60

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