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Finding the Fourth Proportional to 682,915.80, 957,481.80 and 682,915.80

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Solution

The fourth proportional to 682,915.80, 957,481.80 and 682,915.80 is: 957,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,915.80 : 957,481.80 = 682,915.80 : x
  2. Step 2: Convert to fraction form
    682,915.80/957,481.80 = 682,915.80/x
  3. Step 3: Cross multiply
    682,915.80x = 957,481.80 × 682,915.80
  4. Step 4: Simplify right side
    682,915.80x = 653,879,449,432.44
  5. Step 5: Solve for x
    x = 653,879,449,432.44/682,915.80
  6. Step 6: Final answer
    x = 957,481.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.