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Finding the Fourth Proportional to 349,377.52, 482,158.08 and 196,463.85

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Solution

The fourth proportional to 349,377.52, 482,158.08 and 196,463.85 is: 271,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,377.52 : 482,158.08 = 196,463.85 : x
  2. Step 2: Convert to fraction form
    349,377.52/482,158.08 = 196,463.85/x
  3. Step 3: Cross multiply
    349,377.52x = 482,158.08 × 196,463.85
  4. Step 4: Simplify right side
    349,377.52x = 94,726,632,705.41
  5. Step 5: Solve for x
    x = 94,726,632,705.41/349,377.52
  6. Step 6: Final answer
    x = 271,129.73

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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.