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Finding the Fourth Proportional to 606,446.74, 909,761.10 and 195,979.24

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Solution

The fourth proportional to 606,446.74, 909,761.10 and 195,979.24 is: 293,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,446.74 : 909,761.10 = 195,979.24 : x
  2. Step 2: Convert to fraction form
    606,446.74/909,761.10 = 195,979.24/x
  3. Step 3: Cross multiply
    606,446.74x = 909,761.10 × 195,979.24
  4. Step 4: Simplify right side
    606,446.74x = 178,294,288,959.56
  5. Step 5: Solve for x
    x = 178,294,288,959.56/606,446.74
  6. Step 6: Final answer
    x = 293,998.26

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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.