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Finding the Fourth Proportional to 510,997.02, 700,068.96 and 491,843.22

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Solution

The fourth proportional to 510,997.02, 700,068.96 and 491,843.22 is: 673,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,997.02 : 700,068.96 = 491,843.22 : x
  2. Step 2: Convert to fraction form
    510,997.02/700,068.96 = 491,843.22/x
  3. Step 3: Cross multiply
    510,997.02x = 700,068.96 × 491,843.22
  4. Step 4: Simplify right side
    510,997.02x = 344,324,171,508.45
  5. Step 5: Solve for x
    x = 344,324,171,508.45/510,997.02
  6. Step 6: Final answer
    x = 673,828.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.