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Finding the Fourth Proportional to 598,879.59, 826,404.19 and 340,687.83

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Solution

The fourth proportional to 598,879.59, 826,404.19 and 340,687.83 is: 470,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,879.59 : 826,404.19 = 340,687.83 : x
  2. Step 2: Convert to fraction form
    598,879.59/826,404.19 = 340,687.83/x
  3. Step 3: Cross multiply
    598,879.59x = 826,404.19 × 340,687.83
  4. Step 4: Simplify right side
    598,879.59x = 281,545,850,194.01
  5. Step 5: Solve for x
    x = 281,545,850,194.01/598,879.59
  6. Step 6: Final answer
    x = 470,120.96

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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.