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Finding the Fourth Proportional to 1,734.22, 2,601.34 and 694.31

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Solution

The fourth proportional to 1,734.22, 2,601.34 and 694.31 is: 1,041.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.22 : 2,601.34 = 694.31 : x
  2. Step 2: Convert to fraction form
    1,734.22/2,601.34 = 694.31/x
  3. Step 3: Cross multiply
    1,734.22x = 2,601.34 × 694.31
  4. Step 4: Simplify right side
    1,734.22x = 1,806,128.14
  5. Step 5: Solve for x
    x = 1,806,128.14/1,734.22
  6. Step 6: Final answer
    x = 1,041.47

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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.