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Finding the Fourth Proportional to 392,100.44, 541,097.48 and 217,697.27

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Solution

The fourth proportional to 392,100.44, 541,097.48 and 217,697.27 is: 300,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,100.44 : 541,097.48 = 217,697.27 : x
  2. Step 2: Convert to fraction form
    392,100.44/541,097.48 = 217,697.27/x
  3. Step 3: Cross multiply
    392,100.44x = 541,097.48 × 217,697.27
  4. Step 4: Simplify right side
    392,100.44x = 117,795,442,038.64
  5. Step 5: Solve for x
    x = 117,795,442,038.64/392,100.44
  6. Step 6: Final answer
    x = 300,421.61

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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.