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Finding the Fourth Proportional to 304,085,676.75, 419,984,654.76 and 206,130,471.63

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Solution

The fourth proportional to 304,085,676.75, 419,984,654.76 and 206,130,471.63 is: 284,694,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,085,676.75 : 419,984,654.76 = 206,130,471.63 : x
  2. Step 2: Convert to fraction form
    304,085,676.75/419,984,654.76 = 206,130,471.63/x
  3. Step 3: Cross multiply
    304,085,676.75x = 419,984,654.76 × 206,130,471.63
  4. Step 4: Simplify right side
    304,085,676.75x = 86,571,634,963,041,520
  5. Step 5: Solve for x
    x = 86,571,634,963,041,520/304,085,676.75
  6. Step 6: Final answer
    x = 284,694,879.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.