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Finding the Fourth Proportional to 379,150.66, 568,724.37 and 154,460.98

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Solution

The fourth proportional to 379,150.66, 568,724.37 and 154,460.98 is: 231,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,150.66 : 568,724.37 = 154,460.98 : x
  2. Step 2: Convert to fraction form
    379,150.66/568,724.37 = 154,460.98/x
  3. Step 3: Cross multiply
    379,150.66x = 568,724.37 × 154,460.98
  4. Step 4: Simplify right side
    379,150.66x = 87,845,723,540.08
  5. Step 5: Solve for x
    x = 87,845,723,540.08/379,150.66
  6. Step 6: Final answer
    x = 231,690.81

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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.