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Finding the Fourth Proportional to 357,691.74, 493,604.70 and 196,546.74

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Solution

The fourth proportional to 357,691.74, 493,604.70 and 196,546.74 is: 271,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,691.74 : 493,604.70 = 196,546.74 : x
  2. Step 2: Convert to fraction form
    357,691.74/493,604.70 = 196,546.74/x
  3. Step 3: Cross multiply
    357,691.74x = 493,604.70 × 196,546.74
  4. Step 4: Simplify right side
    357,691.74x = 97,016,394,633.68
  5. Step 5: Solve for x
    x = 97,016,394,633.68/357,691.74
  6. Step 6: Final answer
    x = 271,229.06

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1.5x scale

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.