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Finding the Fourth Proportional to 344,817.64, 475,806.56 and 191,819.68

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Solution

The fourth proportional to 344,817.64, 475,806.56 and 191,819.68 is: 264,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,817.64 : 475,806.56 = 191,819.68 : x
  2. Step 2: Convert to fraction form
    344,817.64/475,806.56 = 191,819.68/x
  3. Step 3: Cross multiply
    344,817.64x = 475,806.56 × 191,819.68
  4. Step 4: Simplify right side
    344,817.64x = 91,269,059,932.49
  5. Step 5: Solve for x
    x = 91,269,059,932.49/344,817.64
  6. Step 6: Final answer
    x = 264,687.91

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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.