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Finding the Fourth Proportional to 543,896.10, 814,231.35 and 404,273.70

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Solution

The fourth proportional to 543,896.10, 814,231.35 and 404,273.70 is: 605,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,896.10 : 814,231.35 = 404,273.70 : x
  2. Step 2: Convert to fraction form
    543,896.10/814,231.35 = 404,273.70/x
  3. Step 3: Cross multiply
    543,896.10x = 814,231.35 × 404,273.70
  4. Step 4: Simplify right side
    543,896.10x = 329,172,320,520.50
  5. Step 5: Solve for x
    x = 329,172,320,520.50/543,896.10
  6. Step 6: Final answer
    x = 605,211.77

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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.