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Finding the Fourth Proportional to 606,324.71, 909,580.49 and 206,872.37

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Solution

The fourth proportional to 606,324.71, 909,580.49 and 206,872.37 is: 310,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,324.71 : 909,580.49 = 206,872.37 : x
  2. Step 2: Convert to fraction form
    606,324.71/909,580.49 = 206,872.37/x
  3. Step 3: Cross multiply
    606,324.71x = 909,580.49 × 206,872.37
  4. Step 4: Simplify right side
    606,324.71x = 188,167,070,637.70
  5. Step 5: Solve for x
    x = 188,167,070,637.70/606,324.71
  6. Step 6: Final answer
    x = 310,340.43

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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.