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Finding the Fourth Proportional to 406,576.89, 561,067.74 and 225,287.24

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Solution

The fourth proportional to 406,576.89, 561,067.74 and 225,287.24 is: 310,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,576.89 : 561,067.74 = 225,287.24 : x
  2. Step 2: Convert to fraction form
    406,576.89/561,067.74 = 225,287.24/x
  3. Step 3: Cross multiply
    406,576.89x = 561,067.74 × 225,287.24
  4. Step 4: Simplify right side
    406,576.89x = 126,401,399,792.30
  5. Step 5: Solve for x
    x = 126,401,399,792.30/406,576.89
  6. Step 6: Final answer
    x = 310,891.75

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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.