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Finding the Fourth Proportional to 1,704.29, 2,556.30 and 534.31

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Solution

The fourth proportional to 1,704.29, 2,556.30 and 534.31 is: 801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.29 : 2,556.30 = 534.31 : x
  2. Step 2: Convert to fraction form
    1,704.29/2,556.30 = 534.31/x
  3. Step 3: Cross multiply
    1,704.29x = 2,556.30 × 534.31
  4. Step 4: Simplify right side
    1,704.29x = 1,365,850.26
  5. Step 5: Solve for x
    x = 1,365,850.26/1,704.29
  6. Step 6: Final answer
    x = 801.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.