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Finding the Fourth Proportional to 605,614.33, 908,562.12 and 206,258.57

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Solution

The fourth proportional to 605,614.33, 908,562.12 and 206,258.57 is: 309,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,614.33 : 908,562.12 = 206,258.57 : x
  2. Step 2: Convert to fraction form
    605,614.33/908,562.12 = 206,258.57/x
  3. Step 3: Cross multiply
    605,614.33x = 908,562.12 × 206,258.57
  4. Step 4: Simplify right side
    605,614.33x = 187,398,723,627.37
  5. Step 5: Solve for x
    x = 187,398,723,627.37/605,614.33
  6. Step 6: Final answer
    x = 309,435.75

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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.