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Finding the Fourth Proportional to 488,879.63, 733,644.83 and 200,927.43

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Solution

The fourth proportional to 488,879.63, 733,644.83 and 200,927.43 is: 301,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,879.63 : 733,644.83 = 200,927.43 : x
  2. Step 2: Convert to fraction form
    488,879.63/733,644.83 = 200,927.43/x
  3. Step 3: Cross multiply
    488,879.63x = 733,644.83 × 200,927.43
  4. Step 4: Simplify right side
    488,879.63x = 147,409,369,220.05
  5. Step 5: Solve for x
    x = 147,409,369,220.05/488,879.63
  6. Step 6: Final answer
    x = 301,524.88

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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.