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Finding the Fourth Proportional to 379,299.15, 569,062.89 and 113,059.62

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Solution

The fourth proportional to 379,299.15, 569,062.89 and 113,059.62 is: 169,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,299.15 : 569,062.89 = 113,059.62 : x
  2. Step 2: Convert to fraction form
    379,299.15/569,062.89 = 113,059.62/x
  3. Step 3: Cross multiply
    379,299.15x = 569,062.89 × 113,059.62
  4. Step 4: Simplify right side
    379,299.15x = 64,338,034,099.50
  5. Step 5: Solve for x
    x = 64,338,034,099.50/379,299.15
  6. Step 6: Final answer
    x = 169,623.46

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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.