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Finding the Fourth Proportional to 1,940,408.03, 2,658,368.48 and 1,867,682.03

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Solution

The fourth proportional to 1,940,408.03, 2,658,368.48 and 1,867,682.03 is: 2,558,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,408.03 : 2,658,368.48 = 1,867,682.03 : x
  2. Step 2: Convert to fraction form
    1,940,408.03/2,658,368.48 = 1,867,682.03/x
  3. Step 3: Cross multiply
    1,940,408.03x = 2,658,368.48 × 1,867,682.03
  4. Step 4: Simplify right side
    1,940,408.03x = 4,964,987,039,214.41
  5. Step 5: Solve for x
    x = 4,964,987,039,214.41/1,940,408.03
  6. Step 6: Final answer
    x = 2,558,733.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.