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Finding the Fourth Proportional to 529,428.26, 794,240.81 and 174,456.29

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Solution

The fourth proportional to 529,428.26, 794,240.81 and 174,456.29 is: 261,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,428.26 : 794,240.81 = 174,456.29 : x
  2. Step 2: Convert to fraction form
    529,428.26/794,240.81 = 174,456.29/x
  3. Step 3: Cross multiply
    529,428.26x = 794,240.81 × 174,456.29
  4. Step 4: Simplify right side
    529,428.26x = 138,560,305,079.20
  5. Step 5: Solve for x
    x = 138,560,305,079.20/529,428.26
  6. Step 6: Final answer
    x = 261,716.87

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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.