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Finding the Fourth Proportional to 349,627.56, 482,481.18 and 196,654.20

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Solution

The fourth proportional to 349,627.56, 482,481.18 and 196,654.20 is: 271,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,627.56 : 482,481.18 = 196,654.20 : x
  2. Step 2: Convert to fraction form
    349,627.56/482,481.18 = 196,654.20/x
  3. Step 3: Cross multiply
    349,627.56x = 482,481.18 × 196,654.20
  4. Step 4: Simplify right side
    349,627.56x = 94,881,950,467.96
  5. Step 5: Solve for x
    x = 94,881,950,467.96/349,627.56
  6. Step 6: Final answer
    x = 271,380.07

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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.