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Finding the Fourth Proportional to 339,542.96, 508,538.93 and 162,175.41

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Solution

The fourth proportional to 339,542.96, 508,538.93 and 162,175.41 is: 242,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,542.96 : 508,538.93 = 162,175.41 : x
  2. Step 2: Convert to fraction form
    339,542.96/508,538.93 = 162,175.41/x
  3. Step 3: Cross multiply
    339,542.96x = 508,538.93 × 162,175.41
  4. Step 4: Simplify right side
    339,542.96x = 82,472,508,662.83
  5. Step 5: Solve for x
    x = 82,472,508,662.83/339,542.96
  6. Step 6: Final answer
    x = 242,892.71

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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.