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Finding the Fourth Proportional to 590,515,906.80, 885,773,860.20 and 159,694,402.80

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Solution

The fourth proportional to 590,515,906.80, 885,773,860.20 and 159,694,402.80 is: 239,541,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,515,906.80 : 885,773,860.20 = 159,694,402.80 : x
  2. Step 2: Convert to fraction form
    590,515,906.80/885,773,860.20 = 159,694,402.80/x
  3. Step 3: Cross multiply
    590,515,906.80x = 885,773,860.20 × 159,694,402.80
  4. Step 4: Simplify right side
    590,515,906.80x = 141,453,127,620,489,712
  5. Step 5: Solve for x
    x = 141,453,127,620,489,712/590,515,906.80
  6. Step 6: Final answer
    x = 239,541,604.20

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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.