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Finding the Fourth Proportional to 349,489.37, 482,285.76 and 196,523.61

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Solution

The fourth proportional to 349,489.37, 482,285.76 and 196,523.61 is: 271,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,489.37 : 482,285.76 = 196,523.61 : x
  2. Step 2: Convert to fraction form
    349,489.37/482,285.76 = 196,523.61/x
  3. Step 3: Cross multiply
    349,489.37x = 482,285.76 × 196,523.61
  4. Step 4: Simplify right side
    349,489.37x = 94,780,538,606.79
  5. Step 5: Solve for x
    x = 94,780,538,606.79/349,489.37
  6. Step 6: Final answer
    x = 271,197.20

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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.