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Finding the Fourth Proportional to 326,050.44, 449,842.05 and 196,940.67

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Solution

The fourth proportional to 326,050.44, 449,842.05 and 196,940.67 is: 271,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,050.44 : 449,842.05 = 196,940.67 : x
  2. Step 2: Convert to fraction form
    326,050.44/449,842.05 = 196,940.67/x
  3. Step 3: Cross multiply
    326,050.44x = 449,842.05 × 196,940.67
  4. Step 4: Simplify right side
    326,050.44x = 88,592,194,721.17
  5. Step 5: Solve for x
    x = 88,592,194,721.17/326,050.44
  6. Step 6: Final answer
    x = 271,713.16

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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.