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Finding the Fourth Proportional to 357,976.47, 494,007.44 and 196,841.96

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Solution

The fourth proportional to 357,976.47, 494,007.44 and 196,841.96 is: 271,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,976.47 : 494,007.44 = 196,841.96 : x
  2. Step 2: Convert to fraction form
    357,976.47/494,007.44 = 196,841.96/x
  3. Step 3: Cross multiply
    357,976.47x = 494,007.44 × 196,841.96
  4. Step 4: Simplify right side
    357,976.47x = 97,241,389,289.94
  5. Step 5: Solve for x
    x = 97,241,389,289.94/357,976.47
  6. Step 6: Final answer
    x = 271,641.85

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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.