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Finding the Fourth Proportional to 543,841, 815,553.24 and 179,017

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Solution

The fourth proportional to 543,841, 815,553.24 and 179,017 is: 268,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,841 : 815,553.24 = 179,017 : x
  2. Step 2: Convert to fraction form
    543,841/815,553.24 = 179,017/x
  3. Step 3: Cross multiply
    543,841x = 815,553.24 × 179,017
  4. Step 4: Simplify right side
    543,841x = 145,997,894,365.08
  5. Step 5: Solve for x
    x = 145,997,894,365.08/543,841
  6. Step 6: Final answer
    x = 268,456.95

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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.