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Finding the Fourth Proportional to 734.33, 1,095.33 and 674.63

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Solution

The fourth proportional to 734.33, 1,095.33 and 674.63 is: 1,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.33 : 1,095.33 = 674.63 : x
  2. Step 2: Convert to fraction form
    734.33/1,095.33 = 674.63/x
  3. Step 3: Cross multiply
    734.33x = 1,095.33 × 674.63
  4. Step 4: Simplify right side
    734.33x = 738,933.63
  5. Step 5: Solve for x
    x = 738,933.63/734.33
  6. Step 6: Final answer
    x = 1,006.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.