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Finding the Fourth Proportional to 543,770.92, 815,656.38 and 169,825.96

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Solution

The fourth proportional to 543,770.92, 815,656.38 and 169,825.96 is: 254,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,770.92 : 815,656.38 = 169,825.96 : x
  2. Step 2: Convert to fraction form
    543,770.92/815,656.38 = 169,825.96/x
  3. Step 3: Cross multiply
    543,770.92x = 815,656.38 × 169,825.96
  4. Step 4: Simplify right side
    543,770.92x = 138,519,627,763.63
  5. Step 5: Solve for x
    x = 138,519,627,763.63/543,770.92
  6. Step 6: Final answer
    x = 254,738.94

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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.