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Finding the Fourth Proportional to 357,976.08, 494,019.68 and 196,843.46

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Solution

The fourth proportional to 357,976.08, 494,019.68 and 196,843.46 is: 271,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,976.08 : 494,019.68 = 196,843.46 : x
  2. Step 2: Convert to fraction form
    357,976.08/494,019.68 = 196,843.46/x
  3. Step 3: Cross multiply
    357,976.08x = 494,019.68 × 196,843.46
  4. Step 4: Simplify right side
    357,976.08x = 97,244,539,664.98
  5. Step 5: Solve for x
    x = 97,244,539,664.98/357,976.08
  6. Step 6: Final answer
    x = 271,650.94

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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.