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Finding the Fourth Proportional to 247,608.36, 340,934.42 and 193,379.58

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Solution

The fourth proportional to 247,608.36, 340,934.42 and 193,379.58 is: 266,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,608.36 : 340,934.42 = 193,379.58 : x
  2. Step 2: Convert to fraction form
    247,608.36/340,934.42 = 193,379.58/x
  3. Step 3: Cross multiply
    247,608.36x = 340,934.42 × 193,379.58
  4. Step 4: Simplify right side
    247,608.36x = 65,929,755,430.59
  5. Step 5: Solve for x
    x = 65,929,755,430.59/247,608.36
  6. Step 6: Final answer
    x = 266,266.27

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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.