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Finding the Fourth Proportional to 244,486.28, 366,734.54 and 78,273.80

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Solution

The fourth proportional to 244,486.28, 366,734.54 and 78,273.80 is: 117,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,486.28 : 366,734.54 = 78,273.80 : x
  2. Step 2: Convert to fraction form
    244,486.28/366,734.54 = 78,273.80/x
  3. Step 3: Cross multiply
    244,486.28x = 366,734.54 × 78,273.80
  4. Step 4: Simplify right side
    244,486.28x = 28,705,706,037.05
  5. Step 5: Solve for x
    x = 28,705,706,037.05/244,486.28
  6. Step 6: Final answer
    x = 117,412.34

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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.