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Finding the Fourth Proportional to 379,041.96, 568,560.15 and 154,349.58

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Solution

The fourth proportional to 379,041.96, 568,560.15 and 154,349.58 is: 231,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,041.96 : 568,560.15 = 154,349.58 : x
  2. Step 2: Convert to fraction form
    379,041.96/568,560.15 = 154,349.58/x
  3. Step 3: Cross multiply
    379,041.96x = 568,560.15 × 154,349.58
  4. Step 4: Simplify right side
    379,041.96x = 87,757,020,357.24
  5. Step 5: Solve for x
    x = 87,757,020,357.24/379,041.96
  6. Step 6: Final answer
    x = 231,523.23

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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.