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Finding the Fourth Proportional to 379,152.66, 568,727.37 and 154,462.98

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Solution

The fourth proportional to 379,152.66, 568,727.37 and 154,462.98 is: 231,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,152.66 : 568,727.37 = 154,462.98 : x
  2. Step 2: Convert to fraction form
    379,152.66/568,727.37 = 154,462.98/x
  3. Step 3: Cross multiply
    379,152.66x = 568,727.37 × 154,462.98
  4. Step 4: Simplify right side
    379,152.66x = 87,847,324,377.76
  5. Step 5: Solve for x
    x = 87,847,324,377.76/379,152.66
  6. Step 6: Final answer
    x = 231,693.81

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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.