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Finding the Fourth Proportional to 429,229.46, 644,268.15 and 322,241.42

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Solution

The fourth proportional to 429,229.46, 644,268.15 and 322,241.42 is: 483,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,229.46 : 644,268.15 = 322,241.42 : x
  2. Step 2: Convert to fraction form
    429,229.46/644,268.15 = 322,241.42/x
  3. Step 3: Cross multiply
    429,229.46x = 644,268.15 × 322,241.42
  4. Step 4: Simplify right side
    429,229.46x = 207,609,883,516.77
  5. Step 5: Solve for x
    x = 207,609,883,516.77/429,229.46
  6. Step 6: Final answer
    x = 483,680.42

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