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Finding the Fourth Proportional to 339,797.70, 468,910.85 and 186,835.73

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Solution

The fourth proportional to 339,797.70, 468,910.85 and 186,835.73 is: 257,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,797.70 : 468,910.85 = 186,835.73 : x
  2. Step 2: Convert to fraction form
    339,797.70/468,910.85 = 186,835.73/x
  3. Step 3: Cross multiply
    339,797.70x = 468,910.85 × 186,835.73
  4. Step 4: Simplify right side
    339,797.70x = 87,609,297,685.94
  5. Step 5: Solve for x
    x = 87,609,297,685.94/339,797.70
  6. Step 6: Final answer
    x = 257,827.81

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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.