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Finding the Fourth Proportional to 1,516.26, 2,274.39 and 476.26

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Solution

The fourth proportional to 1,516.26, 2,274.39 and 476.26 is: 714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.26 : 2,274.39 = 476.26 : x
  2. Step 2: Convert to fraction form
    1,516.26/2,274.39 = 476.26/x
  3. Step 3: Cross multiply
    1,516.26x = 2,274.39 × 476.26
  4. Step 4: Simplify right side
    1,516.26x = 1,083,195.30
  5. Step 5: Solve for x
    x = 1,083,195.30/1,516.26
  6. Step 6: Final answer
    x = 714.39

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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.