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Finding the Fourth Proportional to 682,792.80, 957,309.60 and 682,792.80

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Solution

The fourth proportional to 682,792.80, 957,309.60 and 682,792.80 is: 957,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,792.80 : 957,309.60 = 682,792.80 : x
  2. Step 2: Convert to fraction form
    682,792.80/957,309.60 = 682,792.80/x
  3. Step 3: Cross multiply
    682,792.80x = 957,309.60 × 682,792.80
  4. Step 4: Simplify right side
    682,792.80x = 653,644,102,250.88
  5. Step 5: Solve for x
    x = 653,644,102,250.88/682,792.80
  6. Step 6: Final answer
    x = 957,309.60

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1.5x scale

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.