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Finding the Fourth Proportional to 247,647.38, 341,758.39 and 150,855.31

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Solution

The fourth proportional to 247,647.38, 341,758.39 and 150,855.31 is: 208,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,647.38 : 341,758.39 = 150,855.31 : x
  2. Step 2: Convert to fraction form
    247,647.38/341,758.39 = 150,855.31/x
  3. Step 3: Cross multiply
    247,647.38x = 341,758.39 × 150,855.31
  4. Step 4: Simplify right side
    247,647.38x = 51,556,068,201.46
  5. Step 5: Solve for x
    x = 51,556,068,201.46/247,647.38
  6. Step 6: Final answer
    x = 208,183.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.