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Finding the Fourth Proportional to 425,213.46, 637,834.77 and 225,263.34

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Solution

The fourth proportional to 425,213.46, 637,834.77 and 225,263.34 is: 337,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,213.46 : 637,834.77 = 225,263.34 : x
  2. Step 2: Convert to fraction form
    425,213.46/637,834.77 = 225,263.34/x
  3. Step 3: Cross multiply
    425,213.46x = 637,834.77 × 225,263.34
  4. Step 4: Simplify right side
    425,213.46x = 143,680,790,658.33
  5. Step 5: Solve for x
    x = 143,680,790,658.33/425,213.46
  6. Step 6: Final answer
    x = 337,902.73

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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.