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Finding the Fourth Proportional to 299,379,323.70, 449,068,985.55 and 295,348,245.30

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Solution

The fourth proportional to 299,379,323.70, 449,068,985.55 and 295,348,245.30 is: 443,022,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,379,323.70 : 449,068,985.55 = 295,348,245.30 : x
  2. Step 2: Convert to fraction form
    299,379,323.70/449,068,985.55 = 295,348,245.30/x
  3. Step 3: Cross multiply
    299,379,323.70x = 449,068,985.55 × 295,348,245.30
  4. Step 4: Simplify right side
    299,379,323.70x = 132,631,736,900,843,568
  5. Step 5: Solve for x
    x = 132,631,736,900,843,568/299,379,323.70
  6. Step 6: Final answer
    x = 443,022,367.95

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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.