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Finding the Fourth Proportional to 580,291.78, 800,597.36 and 379,204.42

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Solution

The fourth proportional to 580,291.78, 800,597.36 and 379,204.42 is: 523,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,291.78 : 800,597.36 = 379,204.42 : x
  2. Step 2: Convert to fraction form
    580,291.78/800,597.36 = 379,204.42/x
  3. Step 3: Cross multiply
    580,291.78x = 800,597.36 × 379,204.42
  4. Step 4: Simplify right side
    580,291.78x = 303,590,057,552.33
  5. Step 5: Solve for x
    x = 303,590,057,552.33/580,291.78
  6. Step 6: Final answer
    x = 523,167.94

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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.