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Finding the Fourth Proportional to 333,486.77, 499,949.82 and 270,149.83

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Solution

The fourth proportional to 333,486.77, 499,949.82 and 270,149.83 is: 404,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,486.77 : 499,949.82 = 270,149.83 : x
  2. Step 2: Convert to fraction form
    333,486.77/499,949.82 = 270,149.83/x
  3. Step 3: Cross multiply
    333,486.77x = 499,949.82 × 270,149.83
  4. Step 4: Simplify right side
    333,486.77x = 135,061,357,631.66
  5. Step 5: Solve for x
    x = 135,061,357,631.66/333,486.77
  6. Step 6: Final answer
    x = 404,997.65

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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.