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Finding the Fourth Proportional to 1,375.94, 2,063.92 and 510.26

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Solution

The fourth proportional to 1,375.94, 2,063.92 and 510.26 is: 765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.94 : 2,063.92 = 510.26 : x
  2. Step 2: Convert to fraction form
    1,375.94/2,063.92 = 510.26/x
  3. Step 3: Cross multiply
    1,375.94x = 2,063.92 × 510.26
  4. Step 4: Simplify right side
    1,375.94x = 1,053,135.82
  5. Step 5: Solve for x
    x = 1,053,135.82/1,375.94
  6. Step 6: Final answer
    x = 765.39

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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.