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Finding the Fourth Proportional to 379,736.92, 569,599.86 and 113,491.48

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Solution

The fourth proportional to 379,736.92, 569,599.86 and 113,491.48 is: 170,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,736.92 : 569,599.86 = 113,491.48 : x
  2. Step 2: Convert to fraction form
    379,736.92/569,599.86 = 113,491.48/x
  3. Step 3: Cross multiply
    379,736.92x = 569,599.86 × 113,491.48
  4. Step 4: Simplify right side
    379,736.92x = 64,644,731,119.19
  5. Step 5: Solve for x
    x = 64,644,731,119.19/379,736.92
  6. Step 6: Final answer
    x = 170,235.57

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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.