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Finding the Fourth Proportional to 269,774.23, 404,661.06 and 80,233.84

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Solution

The fourth proportional to 269,774.23, 404,661.06 and 80,233.84 is: 120,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774.23 : 404,661.06 = 80,233.84 : x
  2. Step 2: Convert to fraction form
    269,774.23/404,661.06 = 80,233.84/x
  3. Step 3: Cross multiply
    269,774.23x = 404,661.06 × 80,233.84
  4. Step 4: Simplify right side
    269,774.23x = 32,467,510,742.27
  5. Step 5: Solve for x
    x = 32,467,510,742.27/269,774.23
  6. Step 6: Final answer
    x = 120,350.68

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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.