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Finding the Fourth Proportional to 607,600.26, 911,414.94 and 186,879.78

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Solution

The fourth proportional to 607,600.26, 911,414.94 and 186,879.78 is: 280,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,600.26 : 911,414.94 = 186,879.78 : x
  2. Step 2: Convert to fraction form
    607,600.26/911,414.94 = 186,879.78/x
  3. Step 3: Cross multiply
    607,600.26x = 911,414.94 × 186,879.78
  4. Step 4: Simplify right side
    607,600.26x = 170,325,023,475.91
  5. Step 5: Solve for x
    x = 170,325,023,475.91/607,600.26
  6. Step 6: Final answer
    x = 280,324.15

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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.