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Finding the Fourth Proportional to 573,550.39, 790,331.85 and 443,699.97

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Solution

The fourth proportional to 573,550.39, 790,331.85 and 443,699.97 is: 611,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,550.39 : 790,331.85 = 443,699.97 : x
  2. Step 2: Convert to fraction form
    573,550.39/790,331.85 = 443,699.97/x
  3. Step 3: Cross multiply
    573,550.39x = 790,331.85 × 443,699.97
  4. Step 4: Simplify right side
    573,550.39x = 350,670,218,135.05
  5. Step 5: Solve for x
    x = 350,670,218,135.05/573,550.39
  6. Step 6: Final answer
    x = 611,402.63

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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.