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Finding the Fourth Proportional to 296,553.80, 444,738.76 and 106,989.54

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Solution

The fourth proportional to 296,553.80, 444,738.76 and 106,989.54 is: 160,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,553.80 : 444,738.76 = 106,989.54 : x
  2. Step 2: Convert to fraction form
    296,553.80/444,738.76 = 106,989.54/x
  3. Step 3: Cross multiply
    296,553.80x = 444,738.76 × 106,989.54
  4. Step 4: Simplify right side
    296,553.80x = 47,582,393,410.78
  5. Step 5: Solve for x
    x = 47,582,393,410.78/296,553.80
  6. Step 6: Final answer
    x = 160,451.13

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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.