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Finding the Fourth Proportional to 1,323.42, 1,826.34 and 733.98

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Solution

The fourth proportional to 1,323.42, 1,826.34 and 733.98 is: 1,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.42 : 1,826.34 = 733.98 : x
  2. Step 2: Convert to fraction form
    1,323.42/1,826.34 = 733.98/x
  3. Step 3: Cross multiply
    1,323.42x = 1,826.34 × 733.98
  4. Step 4: Simplify right side
    1,323.42x = 1,340,497.03
  5. Step 5: Solve for x
    x = 1,340,497.03/1,323.42
  6. Step 6: Final answer
    x = 1,012.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.