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Finding the Fourth Proportional to 366,930.64, 550,396.76 and 100,694.80

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Solution

The fourth proportional to 366,930.64, 550,396.76 and 100,694.80 is: 151,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.64 : 550,396.76 = 100,694.80 : x
  2. Step 2: Convert to fraction form
    366,930.64/550,396.76 = 100,694.80/x
  3. Step 3: Cross multiply
    366,930.64x = 550,396.76 × 100,694.80
  4. Step 4: Simplify right side
    366,930.64x = 55,422,091,668.85
  5. Step 5: Solve for x
    x = 55,422,091,668.85/366,930.64
  6. Step 6: Final answer
    x = 151,042.42

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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.