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Finding the Fourth Proportional to 382,579.80, 573,213.60 and 182,469.30

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Solution

The fourth proportional to 382,579.80, 573,213.60 and 182,469.30 is: 273,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,579.80 : 573,213.60 = 182,469.30 : x
  2. Step 2: Convert to fraction form
    382,579.80/573,213.60 = 182,469.30/x
  3. Step 3: Cross multiply
    382,579.80x = 573,213.60 × 182,469.30
  4. Step 4: Simplify right side
    382,579.80x = 104,593,884,342.48
  5. Step 5: Solve for x
    x = 104,593,884,342.48/382,579.80
  6. Step 6: Final answer
    x = 273,391.03

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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.