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Finding the Fourth Proportional to 366,907.36, 550,324.12 and 100,694.64

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Solution

The fourth proportional to 366,907.36, 550,324.12 and 100,694.64 is: 151,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.36 : 550,324.12 = 100,694.64 : x
  2. Step 2: Convert to fraction form
    366,907.36/550,324.12 = 100,694.64/x
  3. Step 3: Cross multiply
    366,907.36x = 550,324.12 × 100,694.64
  4. Step 4: Simplify right side
    366,907.36x = 55,414,689,146.72
  5. Step 5: Solve for x
    x = 55,414,689,146.72/366,907.36
  6. Step 6: Final answer
    x = 151,031.83

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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.