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Finding the Fourth Proportional to 366,910.70, 550,366.05 and 254,936.30

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Solution

The fourth proportional to 366,910.70, 550,366.05 and 254,936.30 is: 382,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,910.70 : 550,366.05 = 254,936.30 : x
  2. Step 2: Convert to fraction form
    366,910.70/550,366.05 = 254,936.30/x
  3. Step 3: Cross multiply
    366,910.70x = 550,366.05 × 254,936.30
  4. Step 4: Simplify right side
    366,910.70x = 140,308,284,432.62
  5. Step 5: Solve for x
    x = 140,308,284,432.62/366,910.70
  6. Step 6: Final answer
    x = 382,404.45

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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.