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Finding the Fourth Proportional to 227,487.75, 338,896.47 and 217,252.59

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Solution

The fourth proportional to 227,487.75, 338,896.47 and 217,252.59 is: 323,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,487.75 : 338,896.47 = 217,252.59 : x
  2. Step 2: Convert to fraction form
    227,487.75/338,896.47 = 217,252.59/x
  3. Step 3: Cross multiply
    227,487.75x = 338,896.47 × 217,252.59
  4. Step 4: Simplify right side
    227,487.75x = 73,626,135,849.36
  5. Step 5: Solve for x
    x = 73,626,135,849.36/227,487.75
  6. Step 6: Final answer
    x = 323,648.79

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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.