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Finding the Fourth Proportional to 344,940.80, 475,748.21 and 224,121.33

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Solution

The fourth proportional to 344,940.80, 475,748.21 and 224,121.33 is: 309,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,940.80 : 475,748.21 = 224,121.33 : x
  2. Step 2: Convert to fraction form
    344,940.80/475,748.21 = 224,121.33/x
  3. Step 3: Cross multiply
    344,940.80x = 475,748.21 × 224,121.33
  4. Step 4: Simplify right side
    344,940.80x = 106,625,322,130.62
  5. Step 5: Solve for x
    x = 106,625,322,130.62/344,940.80
  6. Step 6: Final answer
    x = 309,111.95

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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.