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Finding the Fourth Proportional to 244,611.55, 366,917.33 and 220,991.95

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Solution

The fourth proportional to 244,611.55, 366,917.33 and 220,991.95 is: 331,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,611.55 : 366,917.33 = 220,991.95 : x
  2. Step 2: Convert to fraction form
    244,611.55/366,917.33 = 220,991.95/x
  3. Step 3: Cross multiply
    244,611.55x = 366,917.33 × 220,991.95
  4. Step 4: Simplify right side
    244,611.55x = 81,085,775,140.53
  5. Step 5: Solve for x
    x = 81,085,775,140.53/244,611.55
  6. Step 6: Final answer
    x = 331,487.93

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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.