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Finding the Fourth Proportional to 503,370.54, 694,663.11 and 285,593.94

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Solution

The fourth proportional to 503,370.54, 694,663.11 and 285,593.94 is: 394,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,370.54 : 694,663.11 = 285,593.94 : x
  2. Step 2: Convert to fraction form
    503,370.54/694,663.11 = 285,593.94/x
  3. Step 3: Cross multiply
    503,370.54x = 694,663.11 × 285,593.94
  4. Step 4: Simplify right side
    503,370.54x = 198,391,574,557.55
  5. Step 5: Solve for x
    x = 198,391,574,557.55/503,370.54
  6. Step 6: Final answer
    x = 394,126.31

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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.