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Finding the Fourth Proportional to 1,395.22, 2,093.02 and 471.04

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Solution

The fourth proportional to 1,395.22, 2,093.02 and 471.04 is: 706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.22 : 2,093.02 = 471.04 : x
  2. Step 2: Convert to fraction form
    1,395.22/2,093.02 = 471.04/x
  3. Step 3: Cross multiply
    1,395.22x = 2,093.02 × 471.04
  4. Step 4: Simplify right side
    1,395.22x = 985,889.73
  5. Step 5: Solve for x
    x = 985,889.73/1,395.22
  6. Step 6: Final answer
    x = 706.62

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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.