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Finding the Fourth Proportional to 599,239.80, 898,863.06 and 199,879.47

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Solution

The fourth proportional to 599,239.80, 898,863.06 and 199,879.47 is: 299,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,239.80 : 898,863.06 = 199,879.47 : x
  2. Step 2: Convert to fraction form
    599,239.80/898,863.06 = 199,879.47/x
  3. Step 3: Cross multiply
    599,239.80x = 898,863.06 × 199,879.47
  4. Step 4: Simplify right side
    599,239.80x = 179,664,274,282.54
  5. Step 5: Solve for x
    x = 179,664,274,282.54/599,239.80
  6. Step 6: Final answer
    x = 299,820.33

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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.