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Finding the Fourth Proportional to 682,704.30, 957,185.70 and 682,704.30

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Solution

The fourth proportional to 682,704.30, 957,185.70 and 682,704.30 is: 957,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,704.30 : 957,185.70 = 682,704.30 : x
  2. Step 2: Convert to fraction form
    682,704.30/957,185.70 = 682,704.30/x
  3. Step 3: Cross multiply
    682,704.30x = 957,185.70 × 682,704.30
  4. Step 4: Simplify right side
    682,704.30x = 653,474,793,288.51
  5. Step 5: Solve for x
    x = 653,474,793,288.51/682,704.30
  6. Step 6: Final answer
    x = 957,185.70

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Double scale
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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.