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Finding the Fourth Proportional to 358,139.69, 494,222.46 and 196,994.73

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Solution

The fourth proportional to 358,139.69, 494,222.46 and 196,994.73 is: 271,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,139.69 : 494,222.46 = 196,994.73 : x
  2. Step 2: Convert to fraction form
    358,139.69/494,222.46 = 196,994.73/x
  3. Step 3: Cross multiply
    358,139.69x = 494,222.46 × 196,994.73
  4. Step 4: Simplify right side
    358,139.69x = 97,359,220,067.64
  5. Step 5: Solve for x
    x = 97,359,220,067.64/358,139.69
  6. Step 6: Final answer
    x = 271,847.06

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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.