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Finding the Fourth Proportional to 352,290.96, 486,157.68 and 191,149.56

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Solution

The fourth proportional to 352,290.96, 486,157.68 and 191,149.56 is: 263,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,290.96 : 486,157.68 = 191,149.56 : x
  2. Step 2: Convert to fraction form
    352,290.96/486,157.68 = 191,149.56/x
  3. Step 3: Cross multiply
    352,290.96x = 486,157.68 × 191,149.56
  4. Step 4: Simplify right side
    352,290.96x = 92,928,826,622.62
  5. Step 5: Solve for x
    x = 92,928,826,622.62/352,290.96
  6. Step 6: Final answer
    x = 263,784.31

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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.