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Finding the Fourth Proportional to 300,892.46, 415,277.34 and 192,043.82

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Solution

The fourth proportional to 300,892.46, 415,277.34 and 192,043.82 is: 265,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,892.46 : 415,277.34 = 192,043.82 : x
  2. Step 2: Convert to fraction form
    300,892.46/415,277.34 = 192,043.82/x
  3. Step 3: Cross multiply
    300,892.46x = 415,277.34 × 192,043.82
  4. Step 4: Simplify right side
    300,892.46x = 79,751,446,733.04
  5. Step 5: Solve for x
    x = 79,751,446,733.04/300,892.46
  6. Step 6: Final answer
    x = 265,049.67

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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.