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Finding the Fourth Proportional to 339,167.40, 468,052.82 and 211,916.80

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Solution

The fourth proportional to 339,167.40, 468,052.82 and 211,916.80 is: 292,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,167.40 : 468,052.82 = 211,916.80 : x
  2. Step 2: Convert to fraction form
    339,167.40/468,052.82 = 211,916.80/x
  3. Step 3: Cross multiply
    339,167.40x = 468,052.82 × 211,916.80
  4. Step 4: Simplify right side
    339,167.40x = 99,188,255,845.38
  5. Step 5: Solve for x
    x = 99,188,255,845.38/339,167.40
  6. Step 6: Final answer
    x = 292,446.31

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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.