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Finding the Fourth Proportional to 605,622.06, 908,458.20 and 226,504.80

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Solution

The fourth proportional to 605,622.06, 908,458.20 and 226,504.80 is: 339,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,622.06 : 908,458.20 = 226,504.80 : x
  2. Step 2: Convert to fraction form
    605,622.06/908,458.20 = 226,504.80/x
  3. Step 3: Cross multiply
    605,622.06x = 908,458.20 × 226,504.80
  4. Step 4: Simplify right side
    605,622.06x = 205,770,142,899.36
  5. Step 5: Solve for x
    x = 205,770,142,899.36/605,622.06
  6. Step 6: Final answer
    x = 339,766.59

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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.