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Finding the Fourth Proportional to 394,090.89, 543,846.03 and 224,325.03

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Solution

The fourth proportional to 394,090.89, 543,846.03 and 224,325.03 is: 309,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,090.89 : 543,846.03 = 224,325.03 : x
  2. Step 2: Convert to fraction form
    394,090.89/543,846.03 = 224,325.03/x
  3. Step 3: Cross multiply
    394,090.89x = 543,846.03 × 224,325.03
  4. Step 4: Simplify right side
    394,090.89x = 121,998,276,995.13
  5. Step 5: Solve for x
    x = 121,998,276,995.13/394,090.89
  6. Step 6: Final answer
    x = 309,568.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.