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Finding the Fourth Proportional to 279,014.38, 416,626.60 and 271,447.59

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Solution

The fourth proportional to 279,014.38, 416,626.60 and 271,447.59 is: 405,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,014.38 : 416,626.60 = 271,447.59 : x
  2. Step 2: Convert to fraction form
    279,014.38/416,626.60 = 271,447.59/x
  3. Step 3: Cross multiply
    279,014.38x = 416,626.60 × 271,447.59
  4. Step 4: Simplify right side
    279,014.38x = 113,092,284,785.62
  5. Step 5: Solve for x
    x = 113,092,284,785.62/279,014.38
  6. Step 6: Final answer
    x = 405,327.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.