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Finding the Fourth Proportional to 339,464.38, 508,448.78 and 226,615.98

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Solution

The fourth proportional to 339,464.38, 508,448.78 and 226,615.98 is: 339,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,464.38 : 508,448.78 = 226,615.98 : x
  2. Step 2: Convert to fraction form
    339,464.38/508,448.78 = 226,615.98/x
  3. Step 3: Cross multiply
    339,464.38x = 508,448.78 × 226,615.98
  4. Step 4: Simplify right side
    339,464.38x = 115,222,618,559.50
  5. Step 5: Solve for x
    x = 115,222,618,559.50/339,464.38
  6. Step 6: Final answer
    x = 339,424.77

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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.