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Finding the Fourth Proportional to 1,302.89, 1,797.93 and 713.37

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Solution

The fourth proportional to 1,302.89, 1,797.93 and 713.37 is: 984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.89 : 1,797.93 = 713.37 : x
  2. Step 2: Convert to fraction form
    1,302.89/1,797.93 = 713.37/x
  3. Step 3: Cross multiply
    1,302.89x = 1,797.93 × 713.37
  4. Step 4: Simplify right side
    1,302.89x = 1,282,589.32
  5. Step 5: Solve for x
    x = 1,282,589.32/1,302.89
  6. Step 6: Final answer
    x = 984.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.