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Finding the Fourth Proportional to 269,435.38, 404,221.71 and 79,902.67

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Solution

The fourth proportional to 269,435.38, 404,221.71 and 79,902.67 is: 119,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,435.38 : 404,221.71 = 79,902.67 : x
  2. Step 2: Convert to fraction form
    269,435.38/404,221.71 = 79,902.67/x
  3. Step 3: Cross multiply
    269,435.38x = 404,221.71 × 79,902.67
  4. Step 4: Simplify right side
    269,435.38x = 32,298,393,900.97
  5. Step 5: Solve for x
    x = 32,298,393,900.97/269,435.38
  6. Step 6: Final answer
    x = 119,874.36

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1.5x scale

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.