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Finding the Fourth Proportional to 379,231.18, 569,012.73 and 179,693.98

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Solution

The fourth proportional to 379,231.18, 569,012.73 and 179,693.98 is: 269,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,231.18 : 569,012.73 = 179,693.98 : x
  2. Step 2: Convert to fraction form
    379,231.18/569,012.73 = 179,693.98/x
  3. Step 3: Cross multiply
    379,231.18x = 569,012.73 × 179,693.98
  4. Step 4: Simplify right side
    379,231.18x = 102,248,162,124.37
  5. Step 5: Solve for x
    x = 102,248,162,124.37/379,231.18
  6. Step 6: Final answer
    x = 269,619.61

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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.