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Finding the Fourth Proportional to 379,163.54, 568,756.96 and 165,821.69

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Solution

The fourth proportional to 379,163.54, 568,756.96 and 165,821.69 is: 248,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,163.54 : 568,756.96 = 165,821.69 : x
  2. Step 2: Convert to fraction form
    379,163.54/568,756.96 = 165,821.69/x
  3. Step 3: Cross multiply
    379,163.54x = 568,756.96 × 165,821.69
  4. Step 4: Simplify right side
    379,163.54x = 94,312,241,313.80
  5. Step 5: Solve for x
    x = 94,312,241,313.80/379,163.54
  6. Step 6: Final answer
    x = 248,737.63

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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.