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Finding the Fourth Proportional to 339,276.05, 467,805.39 and 253,085.41

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Solution

The fourth proportional to 339,276.05, 467,805.39 and 253,085.41 is: 348,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,276.05 : 467,805.39 = 253,085.41 : x
  2. Step 2: Convert to fraction form
    339,276.05/467,805.39 = 253,085.41/x
  3. Step 3: Cross multiply
    339,276.05x = 467,805.39 × 253,085.41
  4. Step 4: Simplify right side
    339,276.05x = 118,394,718,928.36
  5. Step 5: Solve for x
    x = 118,394,718,928.36/339,276.05
  6. Step 6: Final answer
    x = 348,962.80

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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.