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Finding the Fourth Proportional to 344,481.64, 475,384.86 and 199,307.80

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Solution

The fourth proportional to 344,481.64, 475,384.86 and 199,307.80 is: 275,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,481.64 : 475,384.86 = 199,307.80 : x
  2. Step 2: Convert to fraction form
    344,481.64/475,384.86 = 199,307.80/x
  3. Step 3: Cross multiply
    344,481.64x = 475,384.86 × 199,307.80
  4. Step 4: Simplify right side
    344,481.64x = 94,747,910,599.91
  5. Step 5: Solve for x
    x = 94,747,910,599.91/344,481.64
  6. Step 6: Final answer
    x = 275,044.88

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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.