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Finding the Fourth Proportional to 395,981,327.60, 594,538,861.80 and 223,794,443.60

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Solution

The fourth proportional to 395,981,327.60, 594,538,861.80 and 223,794,443.60 is: 336,012,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,981,327.60 : 594,538,861.80 = 223,794,443.60 : x
  2. Step 2: Convert to fraction form
    395,981,327.60/594,538,861.80 = 223,794,443.60/x
  3. Step 3: Cross multiply
    395,981,327.60x = 594,538,861.80 × 223,794,443.60
  4. Step 4: Simplify right side
    395,981,327.60x = 133,054,493,775,108,288
  5. Step 5: Solve for x
    x = 133,054,493,775,108,288/395,981,327.60
  6. Step 6: Final answer
    x = 336,012,040.22

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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.