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Finding the Fourth Proportional to 383,876.70, 574,277.13 and 331,846.62

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Solution

The fourth proportional to 383,876.70, 574,277.13 and 331,846.62 is: 496,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,876.70 : 574,277.13 = 331,846.62 : x
  2. Step 2: Convert to fraction form
    383,876.70/574,277.13 = 331,846.62/x
  3. Step 3: Cross multiply
    383,876.70x = 574,277.13 × 331,846.62
  4. Step 4: Simplify right side
    383,876.70x = 190,571,924,533.80
  5. Step 5: Solve for x
    x = 190,571,924,533.80/383,876.70
  6. Step 6: Final answer
    x = 496,440.46

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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.