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Finding the Fourth Proportional to 247,673.65, 341,634.92 and 206,174.87

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Solution

The fourth proportional to 247,673.65, 341,634.92 and 206,174.87 is: 284,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,673.65 : 341,634.92 = 206,174.87 : x
  2. Step 2: Convert to fraction form
    247,673.65/341,634.92 = 206,174.87/x
  3. Step 3: Cross multiply
    247,673.65x = 341,634.92 × 206,174.87
  4. Step 4: Simplify right side
    247,673.65x = 70,436,533,760.54
  5. Step 5: Solve for x
    x = 70,436,533,760.54/247,673.65
  6. Step 6: Final answer
    x = 284,392.52

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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.