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Finding the Fourth Proportional to 273,515.67, 409,701.30 and 219,917.41

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Solution

The fourth proportional to 273,515.67, 409,701.30 and 219,917.41 is: 329,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,515.67 : 409,701.30 = 219,917.41 : x
  2. Step 2: Convert to fraction form
    273,515.67/409,701.30 = 219,917.41/x
  3. Step 3: Cross multiply
    273,515.67x = 409,701.30 × 219,917.41
  4. Step 4: Simplify right side
    273,515.67x = 90,100,449,225.26
  5. Step 5: Solve for x
    x = 90,100,449,225.26/273,515.67
  6. Step 6: Final answer
    x = 329,416.04

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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.