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Finding the Fourth Proportional to 633,645.26, 950,680.10 and 207,200.78

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Solution

The fourth proportional to 633,645.26, 950,680.10 and 207,200.78 is: 310,870.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,645.26 : 950,680.10 = 207,200.78 : x
  2. Step 2: Convert to fraction form
    633,645.26/950,680.10 = 207,200.78/x
  3. Step 3: Cross multiply
    633,645.26x = 950,680.10 × 207,200.78
  4. Step 4: Simplify right side
    633,645.26x = 196,981,654,015.08
  5. Step 5: Solve for x
    x = 196,981,654,015.08/633,645.26
  6. Step 6: Final answer
    x = 310,870.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.