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Finding the Fourth Proportional to 1,333.98, 1,840.98 and 744.54

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Solution

The fourth proportional to 1,333.98, 1,840.98 and 744.54 is: 1,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.98 : 1,840.98 = 744.54 : x
  2. Step 2: Convert to fraction form
    1,333.98/1,840.98 = 744.54/x
  3. Step 3: Cross multiply
    1,333.98x = 1,840.98 × 744.54
  4. Step 4: Simplify right side
    1,333.98x = 1,370,683.25
  5. Step 5: Solve for x
    x = 1,370,683.25/1,333.98
  6. Step 6: Final answer
    x = 1,027.51

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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.