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Finding the Fourth Proportional to 538,882.44, 743,640.66 and 297,175.20

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Solution

The fourth proportional to 538,882.44, 743,640.66 and 297,175.20 is: 410,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,882.44 : 743,640.66 = 297,175.20 : x
  2. Step 2: Convert to fraction form
    538,882.44/743,640.66 = 297,175.20/x
  3. Step 3: Cross multiply
    538,882.44x = 743,640.66 × 297,175.20
  4. Step 4: Simplify right side
    538,882.44x = 220,991,561,863.63
  5. Step 5: Solve for x
    x = 220,991,561,863.63/538,882.44
  6. Step 6: Final answer
    x = 410,092.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.