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Finding the Fourth Proportional to 1,334.50, 1,841.54 and 745.04

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Solution

The fourth proportional to 1,334.50, 1,841.54 and 745.04 is: 1,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.50 : 1,841.54 = 745.04 : x
  2. Step 2: Convert to fraction form
    1,334.50/1,841.54 = 745.04/x
  3. Step 3: Cross multiply
    1,334.50x = 1,841.54 × 745.04
  4. Step 4: Simplify right side
    1,334.50x = 1,372,020.96
  5. Step 5: Solve for x
    x = 1,372,020.96/1,334.50
  6. Step 6: Final answer
    x = 1,028.12

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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.