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Finding the Fourth Proportional to 301,861.80, 451,626.30 and 196,885.80

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Solution

The fourth proportional to 301,861.80, 451,626.30 and 196,885.80 is: 294,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,861.80 : 451,626.30 = 196,885.80 : x
  2. Step 2: Convert to fraction form
    301,861.80/451,626.30 = 196,885.80/x
  3. Step 3: Cross multiply
    301,861.80x = 451,626.30 × 196,885.80
  4. Step 4: Simplify right side
    301,861.80x = 88,918,805,376.54
  5. Step 5: Solve for x
    x = 88,918,805,376.54/301,861.80
  6. Step 6: Final answer
    x = 294,567.93

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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.