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Finding the Fourth Proportional to 1,334.46, 1,841.54 and 745.10

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Solution

The fourth proportional to 1,334.46, 1,841.54 and 745.10 is: 1,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.46 : 1,841.54 = 745.10 : x
  2. Step 2: Convert to fraction form
    1,334.46/1,841.54 = 745.10/x
  3. Step 3: Cross multiply
    1,334.46x = 1,841.54 × 745.10
  4. Step 4: Simplify right side
    1,334.46x = 1,372,118.52
  5. Step 5: Solve for x
    x = 1,372,118.52/1,334.46
  6. Step 6: Final answer
    x = 1,028.22

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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.