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Finding the Fourth Proportional to 300,883.56, 415,265.05 and 192,034.88

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Solution

The fourth proportional to 300,883.56, 415,265.05 and 192,034.88 is: 265,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,883.56 : 415,265.05 = 192,034.88 : x
  2. Step 2: Convert to fraction form
    300,883.56/415,265.05 = 192,034.88/x
  3. Step 3: Cross multiply
    300,883.56x = 415,265.05 × 192,034.88
  4. Step 4: Simplify right side
    300,883.56x = 79,745,374,044.94
  5. Step 5: Solve for x
    x = 79,745,374,044.94/300,883.56
  6. Step 6: Final answer
    x = 265,037.33

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1.5x scale

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.