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Finding the Fourth Proportional to 2,846,469.06, 3,928,632.99 and 1,685,559.72

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Solution

The fourth proportional to 2,846,469.06, 3,928,632.99 and 1,685,559.72 is: 2,326,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846,469.06 : 3,928,632.99 = 1,685,559.72 : x
  2. Step 2: Convert to fraction form
    2,846,469.06/3,928,632.99 = 1,685,559.72/x
  3. Step 3: Cross multiply
    2,846,469.06x = 3,928,632.99 × 1,685,559.72
  4. Step 4: Simplify right side
    2,846,469.06x = 6,621,945,522,607.16
  5. Step 5: Solve for x
    x = 6,621,945,522,607.16/2,846,469.06
  6. Step 6: Final answer
    x = 2,326,371.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.