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Finding the Fourth Proportional to 605,794.20, 908,561.70 and 268,834.20

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Solution

The fourth proportional to 605,794.20, 908,561.70 and 268,834.20 is: 403,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,794.20 : 908,561.70 = 268,834.20 : x
  2. Step 2: Convert to fraction form
    605,794.20/908,561.70 = 268,834.20/x
  3. Step 3: Cross multiply
    605,794.20x = 908,561.70 × 268,834.20
  4. Step 4: Simplify right side
    605,794.20x = 244,252,457,770.14
  5. Step 5: Solve for x
    x = 244,252,457,770.14/605,794.20
  6. Step 6: Final answer
    x = 403,193.79

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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.