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Finding the Fourth Proportional to 1,344.02, 2,016.04 and 694.94

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Solution

The fourth proportional to 1,344.02, 2,016.04 and 694.94 is: 1,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.02 : 2,016.04 = 694.94 : x
  2. Step 2: Convert to fraction form
    1,344.02/2,016.04 = 694.94/x
  3. Step 3: Cross multiply
    1,344.02x = 2,016.04 × 694.94
  4. Step 4: Simplify right side
    1,344.02x = 1,401,026.84
  5. Step 5: Solve for x
    x = 1,401,026.84/1,344.02
  6. Step 6: Final answer
    x = 1,042.42

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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.