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Finding the Fourth Proportional to 588,781.80, 883,287.90 and 251,821.80

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Solution

The fourth proportional to 588,781.80, 883,287.90 and 251,821.80 is: 377,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,781.80 : 883,287.90 = 251,821.80 : x
  2. Step 2: Convert to fraction form
    588,781.80/883,287.90 = 251,821.80/x
  3. Step 3: Cross multiply
    588,781.80x = 883,287.90 × 251,821.80
  4. Step 4: Simplify right side
    588,781.80x = 222,431,148,896.22
  5. Step 5: Solve for x
    x = 222,431,148,896.22/588,781.80
  6. Step 6: Final answer
    x = 377,781.97

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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.