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Finding the Fourth Proportional to 349,912.37, 482,894.42 and 196,960.43

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Solution

The fourth proportional to 349,912.37, 482,894.42 and 196,960.43 is: 271,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,912.37 : 482,894.42 = 196,960.43 : x
  2. Step 2: Convert to fraction form
    349,912.37/482,894.42 = 196,960.43/x
  3. Step 3: Cross multiply
    349,912.37x = 482,894.42 × 196,960.43
  4. Step 4: Simplify right side
    349,912.37x = 95,111,089,208.53
  5. Step 5: Solve for x
    x = 95,111,089,208.53/349,912.37
  6. Step 6: Final answer
    x = 271,814.03

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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.