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Finding the Fourth Proportional to 256,751.06, 383,245.44 and 226,450.62

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Solution

The fourth proportional to 256,751.06, 383,245.44 and 226,450.62 is: 338,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,751.06 : 383,245.44 = 226,450.62 : x
  2. Step 2: Convert to fraction form
    256,751.06/383,245.44 = 226,450.62/x
  3. Step 3: Cross multiply
    256,751.06x = 383,245.44 × 226,450.62
  4. Step 4: Simplify right side
    256,751.06x = 86,786,167,500.17
  5. Step 5: Solve for x
    x = 86,786,167,500.17/256,751.06
  6. Step 6: Final answer
    x = 338,016.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.