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Finding the Fourth Proportional to 293,898.60, 440,847.90 and 188,922.60

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Solution

The fourth proportional to 293,898.60, 440,847.90 and 188,922.60 is: 283,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,898.60 : 440,847.90 = 188,922.60 : x
  2. Step 2: Convert to fraction form
    293,898.60/440,847.90 = 188,922.60/x
  3. Step 3: Cross multiply
    293,898.60x = 440,847.90 × 188,922.60
  4. Step 4: Simplify right side
    293,898.60x = 83,286,131,472.54
  5. Step 5: Solve for x
    x = 83,286,131,472.54/293,898.60
  6. Step 6: Final answer
    x = 283,383.90

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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.