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Finding the Fourth Proportional to 352,393.26, 486,302.94 and 191,248.26

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Solution

The fourth proportional to 352,393.26, 486,302.94 and 191,248.26 is: 263,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,393.26 : 486,302.94 = 191,248.26 : x
  2. Step 2: Convert to fraction form
    352,393.26/486,302.94 = 191,248.26/x
  3. Step 3: Cross multiply
    352,393.26x = 486,302.94 × 191,248.26
  4. Step 4: Simplify right side
    352,393.26x = 93,004,591,107.88
  5. Step 5: Solve for x
    x = 93,004,591,107.88/352,393.26
  6. Step 6: Final answer
    x = 263,922.73

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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.