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Finding the Fourth Proportional to 489,178.89, 733,761.51 and 169,563.42

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Solution

The fourth proportional to 489,178.89, 733,761.51 and 169,563.42 is: 254,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,178.89 : 733,761.51 = 169,563.42 : x
  2. Step 2: Convert to fraction form
    489,178.89/733,761.51 = 169,563.42/x
  3. Step 3: Cross multiply
    489,178.89x = 733,761.51 × 169,563.42
  4. Step 4: Simplify right side
    489,178.89x = 124,419,111,099.96
  5. Step 5: Solve for x
    x = 124,419,111,099.96/489,178.89
  6. Step 6: Final answer
    x = 254,342.76

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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.