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Finding the Fourth Proportional to 652,997.88, 979,874.98 and 273,884.85

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Solution

The fourth proportional to 652,997.88, 979,874.98 and 273,884.85 is: 410,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,997.88 : 979,874.98 = 273,884.85 : x
  2. Step 2: Convert to fraction form
    652,997.88/979,874.98 = 273,884.85/x
  3. Step 3: Cross multiply
    652,997.88x = 979,874.98 × 273,884.85
  4. Step 4: Simplify right side
    652,997.88x = 268,372,911,231.34
  5. Step 5: Solve for x
    x = 268,372,911,231.34/652,997.88
  6. Step 6: Final answer
    x = 410,985.88

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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.