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Finding the Fourth Proportional to 445,200.48, 667,878.48 and 195,876

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Solution

The fourth proportional to 445,200.48, 667,878.48 and 195,876 is: 293,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,200.48 : 667,878.48 = 195,876 : x
  2. Step 2: Convert to fraction form
    445,200.48/667,878.48 = 195,876/x
  3. Step 3: Cross multiply
    445,200.48x = 667,878.48 × 195,876
  4. Step 4: Simplify right side
    445,200.48x = 130,821,365,148.48
  5. Step 5: Solve for x
    x = 130,821,365,148.48/445,200.48
  6. Step 6: Final answer
    x = 293,848.21

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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.