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Finding the Fourth Proportional to 3,242,718.80, 4,857,079.80 and 2,682,846.80

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Solution

The fourth proportional to 3,242,718.80, 4,857,079.80 and 2,682,846.80 is: 4,018,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242,718.80 : 4,857,079.80 = 2,682,846.80 : x
  2. Step 2: Convert to fraction form
    3,242,718.80/4,857,079.80 = 2,682,846.80/x
  3. Step 3: Cross multiply
    3,242,718.80x = 4,857,079.80 × 2,682,846.80
  4. Step 4: Simplify right side
    3,242,718.80x = 13,030,800,998,774.64
  5. Step 5: Solve for x
    x = 13,030,800,998,774.64/3,242,718.80
  6. Step 6: Final answer
    x = 4,018,480.11

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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.