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Finding the Fourth Proportional to 568,675,769.60, 853,108,132.80 and 223,640,652.80

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Solution

The fourth proportional to 568,675,769.60, 853,108,132.80 and 223,640,652.80 is: 335,498,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,675,769.60 : 853,108,132.80 = 223,640,652.80 : x
  2. Step 2: Convert to fraction form
    568,675,769.60/853,108,132.80 = 223,640,652.80/x
  3. Step 3: Cross multiply
    568,675,769.60x = 853,108,132.80 × 223,640,652.80
  4. Step 4: Simplify right side
    568,675,769.60x = 190,789,659,728,381,088
  5. Step 5: Solve for x
    x = 190,789,659,728,381,088/568,675,769.60
  6. Step 6: Final answer
    x = 335,498,134.31

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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.