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Finding the Fourth Proportional to 355,231.03, 490,225.87 and 194,096.07

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Solution

The fourth proportional to 355,231.03, 490,225.87 and 194,096.07 is: 267,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,231.03 : 490,225.87 = 194,096.07 : x
  2. Step 2: Convert to fraction form
    355,231.03/490,225.87 = 194,096.07/x
  3. Step 3: Cross multiply
    355,231.03x = 490,225.87 × 194,096.07
  4. Step 4: Simplify right side
    355,231.03x = 95,150,914,294.09
  5. Step 5: Solve for x
    x = 95,150,914,294.09/355,231.03
  6. Step 6: Final answer
    x = 267,856.43

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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.