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Finding the Fourth Proportional to 379,822.08, 569,553.60 and 113,489.60

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Solution

The fourth proportional to 379,822.08, 569,553.60 and 113,489.60 is: 170,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,822.08 : 569,553.60 = 113,489.60 : x
  2. Step 2: Convert to fraction form
    379,822.08/569,553.60 = 113,489.60/x
  3. Step 3: Cross multiply
    379,822.08x = 569,553.60 × 113,489.60
  4. Step 4: Simplify right side
    379,822.08x = 64,638,410,242.56
  5. Step 5: Solve for x
    x = 64,638,410,242.56/379,822.08
  6. Step 6: Final answer
    x = 170,180.76

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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.