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Finding the Fourth Proportional to 477,944,714.70, 716,917,072.05 and 329,991,540.30

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Solution

The fourth proportional to 477,944,714.70, 716,917,072.05 and 329,991,540.30 is: 494,987,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,944,714.70 : 716,917,072.05 = 329,991,540.30 : x
  2. Step 2: Convert to fraction form
    477,944,714.70/716,917,072.05 = 329,991,540.30/x
  3. Step 3: Cross multiply
    477,944,714.70x = 716,917,072.05 × 329,991,540.30
  4. Step 4: Simplify right side
    477,944,714.70x = 236,576,568,873,145,568
  5. Step 5: Solve for x
    x = 236,576,568,873,145,568/477,944,714.70
  6. Step 6: Final answer
    x = 494,987,310.45

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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.