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Finding the Fourth Proportional to 355,906.35, 491,150.81 and 194,761.41

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Solution

The fourth proportional to 355,906.35, 491,150.81 and 194,761.41 is: 268,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,906.35 : 491,150.81 = 194,761.41 : x
  2. Step 2: Convert to fraction form
    355,906.35/491,150.81 = 194,761.41/x
  3. Step 3: Cross multiply
    355,906.35x = 491,150.81 × 194,761.41
  4. Step 4: Simplify right side
    355,906.35x = 95,657,224,278.24
  5. Step 5: Solve for x
    x = 95,657,224,278.24/355,906.35
  6. Step 6: Final answer
    x = 268,770.77

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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.