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Finding the Fourth Proportional to 543,908.60, 814,250.10 and 404,286.20

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Solution

The fourth proportional to 543,908.60, 814,250.10 and 404,286.20 is: 605,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,908.60 : 814,250.10 = 404,286.20 : x
  2. Step 2: Convert to fraction form
    543,908.60/814,250.10 = 404,286.20/x
  3. Step 3: Cross multiply
    543,908.60x = 814,250.10 × 404,286.20
  4. Step 4: Simplify right side
    543,908.60x = 329,190,078,778.62
  5. Step 5: Solve for x
    x = 329,190,078,778.62/543,908.60
  6. Step 6: Final answer
    x = 605,230.51

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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.