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Finding the Fourth Proportional to 633,950.32, 874,846.24 and 347,469.76

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Solution

The fourth proportional to 633,950.32, 874,846.24 and 347,469.76 is: 479,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,950.32 : 874,846.24 = 347,469.76 : x
  2. Step 2: Convert to fraction form
    633,950.32/874,846.24 = 347,469.76/x
  3. Step 3: Cross multiply
    633,950.32x = 874,846.24 × 347,469.76
  4. Step 4: Simplify right side
    633,950.32x = 303,982,613,049.70
  5. Step 5: Solve for x
    x = 303,982,613,049.70/633,950.32
  6. Step 6: Final answer
    x = 479,505.42

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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.