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Finding the Fourth Proportional to 366,940.05, 550,410.08 and 240,640.80

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Solution

The fourth proportional to 366,940.05, 550,410.08 and 240,640.80 is: 360,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.05 : 550,410.08 = 240,640.80 : x
  2. Step 2: Convert to fraction form
    366,940.05/550,410.08 = 240,640.80/x
  3. Step 3: Cross multiply
    366,940.05x = 550,410.08 × 240,640.80
  4. Step 4: Simplify right side
    366,940.05x = 132,451,120,776.06
  5. Step 5: Solve for x
    x = 132,451,120,776.06/366,940.05
  6. Step 6: Final answer
    x = 360,961.20

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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.