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Finding the Fourth Proportional to 379,105.53, 568,660.19 and 154,468.23

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Solution

The fourth proportional to 379,105.53, 568,660.19 and 154,468.23 is: 231,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,105.53 : 568,660.19 = 154,468.23 : x
  2. Step 2: Convert to fraction form
    379,105.53/568,660.19 = 154,468.23/x
  3. Step 3: Cross multiply
    379,105.53x = 568,660.19 × 154,468.23
  4. Step 4: Simplify right side
    379,105.53x = 87,839,932,248.42
  5. Step 5: Solve for x
    x = 87,839,932,248.42/379,105.53
  6. Step 6: Final answer
    x = 231,703.12

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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.