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Finding the Fourth Proportional to 321,013.56, 481,593.30 and 171,174.84

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Solution

The fourth proportional to 321,013.56, 481,593.30 and 171,174.84 is: 256,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,013.56 : 481,593.30 = 171,174.84 : x
  2. Step 2: Convert to fraction form
    321,013.56/481,593.30 = 171,174.84/x
  3. Step 3: Cross multiply
    321,013.56x = 481,593.30 × 171,174.84
  4. Step 4: Simplify right side
    321,013.56x = 82,436,656,072.57
  5. Step 5: Solve for x
    x = 82,436,656,072.57/321,013.56
  6. Step 6: Final answer
    x = 256,801.16

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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.