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Finding the Fourth Proportional to 693,715.96, 1,040,568.54 and 356,851

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Solution

The fourth proportional to 693,715.96, 1,040,568.54 and 356,851 is: 535,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,715.96 : 1,040,568.54 = 356,851 : x
  2. Step 2: Convert to fraction form
    693,715.96/1,040,568.54 = 356,851/x
  3. Step 3: Cross multiply
    693,715.96x = 1,040,568.54 × 356,851
  4. Step 4: Simplify right side
    693,715.96x = 371,327,924,067.54
  5. Step 5: Solve for x
    x = 371,327,924,067.54/693,715.96
  6. Step 6: Final answer
    x = 535,273.72

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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.