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Finding the Fourth Proportional to 299,167.47, 412,667.60 and 203,717.07

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Solution

The fourth proportional to 299,167.47, 412,667.60 and 203,717.07 is: 281,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,167.47 : 412,667.60 = 203,717.07 : x
  2. Step 2: Convert to fraction form
    299,167.47/412,667.60 = 203,717.07/x
  3. Step 3: Cross multiply
    299,167.47x = 412,667.60 × 203,717.07
  4. Step 4: Simplify right side
    299,167.47x = 84,067,433,337.35
  5. Step 5: Solve for x
    x = 84,067,433,337.35/299,167.47
  6. Step 6: Final answer
    x = 281,004.59

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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.