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Finding the Fourth Proportional to 327,361.69, 491,063.29 and 102,730.98

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Solution

The fourth proportional to 327,361.69, 491,063.29 and 102,730.98 is: 154,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,361.69 : 491,063.29 = 102,730.98 : x
  2. Step 2: Convert to fraction form
    327,361.69/491,063.29 = 102,730.98/x
  3. Step 3: Cross multiply
    327,361.69x = 491,063.29 × 102,730.98
  4. Step 4: Simplify right side
    327,361.69x = 50,447,412,766.90
  5. Step 5: Solve for x
    x = 50,447,412,766.90/327,361.69
  6. Step 6: Final answer
    x = 154,102.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.