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Finding the Fourth Proportional to 535,537.48, 738,847.78 and 351,874.97

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Solution

The fourth proportional to 535,537.48, 738,847.78 and 351,874.97 is: 485,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,537.48 : 738,847.78 = 351,874.97 : x
  2. Step 2: Convert to fraction form
    535,537.48/738,847.78 = 351,874.97/x
  3. Step 3: Cross multiply
    535,537.48x = 738,847.78 × 351,874.97
  4. Step 4: Simplify right side
    535,537.48x = 259,982,040,861.91
  5. Step 5: Solve for x
    x = 259,982,040,861.91/535,537.48
  6. Step 6: Final answer
    x = 485,460.03

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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.