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Finding the Fourth Proportional to 339,751,476, 509,629,080.24 and 84,449,844

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Solution

The fourth proportional to 339,751,476, 509,629,080.24 and 84,449,844 is: 126,675,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,751,476 : 509,629,080.24 = 84,449,844 : x
  2. Step 2: Convert to fraction form
    339,751,476/509,629,080.24 = 84,449,844/x
  3. Step 3: Cross multiply
    339,751,476x = 509,629,080.24 × 84,449,844
  4. Step 4: Simplify right side
    339,751,476x = 43,038,096,324,131,480
  5. Step 5: Solve for x
    x = 43,038,096,324,131,480/339,751,476
  6. Step 6: Final answer
    x = 126,675,229.88

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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.