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Finding the Fourth Proportional to 488,911.30, 733,367.58 and 133,928.44

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Solution

The fourth proportional to 488,911.30, 733,367.58 and 133,928.44 is: 200,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,911.30 : 733,367.58 = 133,928.44 : x
  2. Step 2: Convert to fraction form
    488,911.30/733,367.58 = 133,928.44/x
  3. Step 3: Cross multiply
    488,911.30x = 733,367.58 × 133,928.44
  4. Step 4: Simplify right side
    488,911.30x = 98,218,775,935.98
  5. Step 5: Solve for x
    x = 98,218,775,935.98/488,911.30
  6. Step 6: Final answer
    x = 200,892.83

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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.