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Finding the Fourth Proportional to 327,591.23, 491,409.28 and 111,361.96

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Solution

The fourth proportional to 327,591.23, 491,409.28 and 111,361.96 is: 167,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,591.23 : 491,409.28 = 111,361.96 : x
  2. Step 2: Convert to fraction form
    327,591.23/491,409.28 = 111,361.96/x
  3. Step 3: Cross multiply
    327,591.23x = 491,409.28 × 111,361.96
  4. Step 4: Simplify right side
    327,591.23x = 54,724,301,336.45
  5. Step 5: Solve for x
    x = 54,724,301,336.45/327,591.23
  6. Step 6: Final answer
    x = 167,050.57

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Why These Related Problems?

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