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Finding the Fourth Proportional to 431,412.48, 595,351.22 and 250,231.68

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Solution

The fourth proportional to 431,412.48, 595,351.22 and 250,231.68 is: 345,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,412.48 : 595,351.22 = 250,231.68 : x
  2. Step 2: Convert to fraction form
    431,412.48/595,351.22 = 250,231.68/x
  3. Step 3: Cross multiply
    431,412.48x = 595,351.22 × 250,231.68
  4. Step 4: Simplify right side
    431,412.48x = 148,975,734,719.49
  5. Step 5: Solve for x
    x = 148,975,734,719.49/431,412.48
  6. Step 6: Final answer
    x = 345,320.87

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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.