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Finding the Fourth Proportional to 1,334.96, 1,842.27 and 745.58

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Solution

The fourth proportional to 1,334.96, 1,842.27 and 745.58 is: 1,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.96 : 1,842.27 = 745.58 : x
  2. Step 2: Convert to fraction form
    1,334.96/1,842.27 = 745.58/x
  3. Step 3: Cross multiply
    1,334.96x = 1,842.27 × 745.58
  4. Step 4: Simplify right side
    1,334.96x = 1,373,550.46
  5. Step 5: Solve for x
    x = 1,373,550.46/1,334.96
  6. Step 6: Final answer
    x = 1,028.91

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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.