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Finding the Fourth Proportional to 303,388.46, 454,950.34 and 161,199.45

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Solution

The fourth proportional to 303,388.46, 454,950.34 and 161,199.45 is: 241,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,388.46 : 454,950.34 = 161,199.45 : x
  2. Step 2: Convert to fraction form
    303,388.46/454,950.34 = 161,199.45/x
  3. Step 3: Cross multiply
    303,388.46x = 454,950.34 × 161,199.45
  4. Step 4: Simplify right side
    303,388.46x = 73,337,743,004.44
  5. Step 5: Solve for x
    x = 73,337,743,004.44/303,388.46
  6. Step 6: Final answer
    x = 241,728.85

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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.