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Finding the Fourth Proportional to 1,333.79, 1,840.68 and 736.33

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Solution

The fourth proportional to 1,333.79, 1,840.68 and 736.33 is: 1,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.79 : 1,840.68 = 736.33 : x
  2. Step 2: Convert to fraction form
    1,333.79/1,840.68 = 736.33/x
  3. Step 3: Cross multiply
    1,333.79x = 1,840.68 × 736.33
  4. Step 4: Simplify right side
    1,333.79x = 1,355,335.02
  5. Step 5: Solve for x
    x = 1,355,335.02/1,333.79
  6. Step 6: Final answer
    x = 1,016.15

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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.