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Finding the Fourth Proportional to 2,401.88, 3,314.59 and 1,297.88

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Solution

The fourth proportional to 2,401.88, 3,314.59 and 1,297.88 is: 1,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.88 : 3,314.59 = 1,297.88 : x
  2. Step 2: Convert to fraction form
    2,401.88/3,314.59 = 1,297.88/x
  3. Step 3: Cross multiply
    2,401.88x = 3,314.59 × 1,297.88
  4. Step 4: Simplify right side
    2,401.88x = 4,301,920.25
  5. Step 5: Solve for x
    x = 4,301,920.25/2,401.88
  6. Step 6: Final answer
    x = 1,791.07

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