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Finding the Fourth Proportional to 332,479.01, 499,456.70 and 206,212.61

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Solution

The fourth proportional to 332,479.01, 499,456.70 and 206,212.61 is: 309,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,479.01 : 499,456.70 = 206,212.61 : x
  2. Step 2: Convert to fraction form
    332,479.01/499,456.70 = 206,212.61/x
  3. Step 3: Cross multiply
    332,479.01x = 499,456.70 × 206,212.61
  4. Step 4: Simplify right side
    332,479.01x = 102,994,269,688.99
  5. Step 5: Solve for x
    x = 102,994,269,688.99/332,479.01
  6. Step 6: Final answer
    x = 309,776.76

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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.