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Finding the Fourth Proportional to 327,889.96, 491,852.39 and 103,267.96

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Solution

The fourth proportional to 327,889.96, 491,852.39 and 103,267.96 is: 154,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,889.96 : 491,852.39 = 103,267.96 : x
  2. Step 2: Convert to fraction form
    327,889.96/491,852.39 = 103,267.96/x
  3. Step 3: Cross multiply
    327,889.96x = 491,852.39 × 103,267.96
  4. Step 4: Simplify right side
    327,889.96x = 50,792,592,420.08
  5. Step 5: Solve for x
    x = 50,792,592,420.08/327,889.96
  6. Step 6: Final answer
    x = 154,907.43

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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.