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Finding the Fourth Proportional to 303,620.88, 419,033.76 and 176,296.49

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Solution

The fourth proportional to 303,620.88, 419,033.76 and 176,296.49 is: 243,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,620.88 : 419,033.76 = 176,296.49 : x
  2. Step 2: Convert to fraction form
    303,620.88/419,033.76 = 176,296.49/x
  3. Step 3: Cross multiply
    303,620.88x = 419,033.76 × 176,296.49
  4. Step 4: Simplify right side
    303,620.88x = 73,874,178,984.33
  5. Step 5: Solve for x
    x = 73,874,178,984.33/303,620.88
  6. Step 6: Final answer
    x = 243,310.60

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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.