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Finding the Fourth Proportional to 605,613.33, 908,560.62 and 206,257.57

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Solution

The fourth proportional to 605,613.33, 908,560.62 and 206,257.57 is: 309,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,613.33 : 908,560.62 = 206,257.57 : x
  2. Step 2: Convert to fraction form
    605,613.33/908,560.62 = 206,257.57/x
  3. Step 3: Cross multiply
    605,613.33x = 908,560.62 × 206,257.57
  4. Step 4: Simplify right side
    605,613.33x = 187,397,500,104.80
  5. Step 5: Solve for x
    x = 187,397,500,104.80/605,613.33
  6. Step 6: Final answer
    x = 309,434.24

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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.