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Finding the Fourth Proportional to 605,769.26, 908,653.89 and 206,204.36

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Solution

The fourth proportional to 605,769.26, 908,653.89 and 206,204.36 is: 309,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,769.26 : 908,653.89 = 206,204.36 : x
  2. Step 2: Convert to fraction form
    605,769.26/908,653.89 = 206,204.36/x
  3. Step 3: Cross multiply
    605,769.26x = 908,653.89 × 206,204.36
  4. Step 4: Simplify right side
    605,769.26x = 187,368,393,848.96
  5. Step 5: Solve for x
    x = 187,368,393,848.96/605,769.26
  6. Step 6: Final answer
    x = 309,306.54

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Similar ratio
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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.