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Finding the Fourth Proportional to 451,388.18, 677,375.88 and 195,470.72

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Solution

The fourth proportional to 451,388.18, 677,375.88 and 195,470.72 is: 293,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,388.18 : 677,375.88 = 195,470.72 : x
  2. Step 2: Convert to fraction form
    451,388.18/677,375.88 = 195,470.72/x
  3. Step 3: Cross multiply
    451,388.18x = 677,375.88 × 195,470.72
  4. Step 4: Simplify right side
    451,388.18x = 132,407,150,974.23
  5. Step 5: Solve for x
    x = 132,407,150,974.23/451,388.18
  6. Step 6: Final answer
    x = 293,333.23

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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.