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Finding the Fourth Proportional to 295,679.70, 443,471.01 and 82,462.09

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Solution

The fourth proportional to 295,679.70, 443,471.01 and 82,462.09 is: 123,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,679.70 : 443,471.01 = 82,462.09 : x
  2. Step 2: Convert to fraction form
    295,679.70/443,471.01 = 82,462.09/x
  3. Step 3: Cross multiply
    295,679.70x = 443,471.01 × 82,462.09
  4. Step 4: Simplify right side
    295,679.70x = 36,569,545,708.79
  5. Step 5: Solve for x
    x = 36,569,545,708.79/295,679.70
  6. Step 6: Final answer
    x = 123,679.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.