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Finding the Fourth Proportional to 352,251.90, 486,107.73 and 191,109.42

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Solution

The fourth proportional to 352,251.90, 486,107.73 and 191,109.42 is: 263,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,251.90 : 486,107.73 = 191,109.42 : x
  2. Step 2: Convert to fraction form
    352,251.90/486,107.73 = 191,109.42/x
  3. Step 3: Cross multiply
    352,251.90x = 486,107.73 × 191,109.42
  4. Step 4: Simplify right side
    352,251.90x = 92,899,766,337.82
  5. Step 5: Solve for x
    x = 92,899,766,337.82/352,251.90
  6. Step 6: Final answer
    x = 263,731.06

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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.