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Finding the Fourth Proportional to 444,372.48, 613,218.78 and 253,447.38

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Solution

The fourth proportional to 444,372.48, 613,218.78 and 253,447.38 is: 349,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,372.48 : 613,218.78 = 253,447.38 : x
  2. Step 2: Convert to fraction form
    444,372.48/613,218.78 = 253,447.38/x
  3. Step 3: Cross multiply
    444,372.48x = 613,218.78 × 253,447.38
  4. Step 4: Simplify right side
    444,372.48x = 155,418,693,157.80
  5. Step 5: Solve for x
    x = 155,418,693,157.80/444,372.48
  6. Step 6: Final answer
    x = 349,748.69

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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.