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Finding the Fourth Proportional to 379,073.52, 568,600.46 and 154,433.59

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Solution

The fourth proportional to 379,073.52, 568,600.46 and 154,433.59 is: 231,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,073.52 : 568,600.46 = 154,433.59 : x
  2. Step 2: Convert to fraction form
    379,073.52/568,600.46 = 154,433.59/x
  3. Step 3: Cross multiply
    379,073.52x = 568,600.46 × 154,433.59
  4. Step 4: Simplify right side
    379,073.52x = 87,811,008,698.91
  5. Step 5: Solve for x
    x = 87,811,008,698.91/379,073.52
  6. Step 6: Final answer
    x = 231,646.38

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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.