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Finding the Fourth Proportional to 325,690.40, 488,519.40 and 167,934.80

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Solution

The fourth proportional to 325,690.40, 488,519.40 and 167,934.80 is: 251,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,690.40 : 488,519.40 = 167,934.80 : x
  2. Step 2: Convert to fraction form
    325,690.40/488,519.40 = 167,934.80/x
  3. Step 3: Cross multiply
    325,690.40x = 488,519.40 × 167,934.80
  4. Step 4: Simplify right side
    325,690.40x = 82,039,407,735.12
  5. Step 5: Solve for x
    x = 82,039,407,735.12/325,690.40
  6. Step 6: Final answer
    x = 251,893.85

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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.