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Finding the Fourth Proportional to 271,958.82, 374,913.42 and 191,135.50

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Solution

The fourth proportional to 271,958.82, 374,913.42 and 191,135.50 is: 263,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,958.82 : 374,913.42 = 191,135.50 : x
  2. Step 2: Convert to fraction form
    271,958.82/374,913.42 = 191,135.50/x
  3. Step 3: Cross multiply
    271,958.82x = 374,913.42 × 191,135.50
  4. Step 4: Simplify right side
    271,958.82x = 71,659,266,050.79
  5. Step 5: Solve for x
    x = 71,659,266,050.79/271,958.82
  6. Step 6: Final answer
    x = 263,493.07

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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.