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Finding the Fourth Proportional to 543,954.15, 815,738.16 and 159,595.74

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Solution

The fourth proportional to 543,954.15, 815,738.16 and 159,595.74 is: 239,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,954.15 : 815,738.16 = 159,595.74 : x
  2. Step 2: Convert to fraction form
    543,954.15/815,738.16 = 159,595.74/x
  3. Step 3: Cross multiply
    543,954.15x = 815,738.16 × 159,595.74
  4. Step 4: Simplify right side
    543,954.15x = 130,188,335,291.44
  5. Step 5: Solve for x
    x = 130,188,335,291.44/543,954.15
  6. Step 6: Final answer
    x = 239,336.96

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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.