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Finding the Fourth Proportional to 325,522.73, 488,423.60 and 167,861.90

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Solution

The fourth proportional to 325,522.73, 488,423.60 and 167,861.90 is: 251,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,522.73 : 488,423.60 = 167,861.90 : x
  2. Step 2: Convert to fraction form
    325,522.73/488,423.60 = 167,861.90/x
  3. Step 3: Cross multiply
    325,522.73x = 488,423.60 × 167,861.90
  4. Step 4: Simplify right side
    325,522.73x = 81,987,710,219.41
  5. Step 5: Solve for x
    x = 81,987,710,219.41/325,522.73
  6. Step 6: Final answer
    x = 251,864.78

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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.