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Finding the Fourth Proportional to 633,428.43, 950,142.41 and 254,349.05

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Solution

The fourth proportional to 633,428.43, 950,142.41 and 254,349.05 is: 381,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,428.43 : 950,142.41 = 254,349.05 : x
  2. Step 2: Convert to fraction form
    633,428.43/950,142.41 = 254,349.05/x
  3. Step 3: Cross multiply
    633,428.43x = 950,142.41 × 254,349.05
  4. Step 4: Simplify right side
    633,428.43x = 241,667,821,405.63
  5. Step 5: Solve for x
    x = 241,667,821,405.63/633,428.43
  6. Step 6: Final answer
    x = 381,523.48

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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.