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Finding the Fourth Proportional to 1,333.69, 1,840.57 and 736.18

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Solution

The fourth proportional to 1,333.69, 1,840.57 and 736.18 is: 1,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.69 : 1,840.57 = 736.18 : x
  2. Step 2: Convert to fraction form
    1,333.69/1,840.57 = 736.18/x
  3. Step 3: Cross multiply
    1,333.69x = 1,840.57 × 736.18
  4. Step 4: Simplify right side
    1,333.69x = 1,354,990.82
  5. Step 5: Solve for x
    x = 1,354,990.82/1,333.69
  6. Step 6: Final answer
    x = 1,015.97

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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.