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Finding the Fourth Proportional to 849.09, 1,170.98 and 583.57

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Solution

The fourth proportional to 849.09, 1,170.98 and 583.57 is: 804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.09 : 1,170.98 = 583.57 : x
  2. Step 2: Convert to fraction form
    849.09/1,170.98 = 583.57/x
  3. Step 3: Cross multiply
    849.09x = 1,170.98 × 583.57
  4. Step 4: Simplify right side
    849.09x = 683,351.79
  5. Step 5: Solve for x
    x = 683,351.79/849.09
  6. Step 6: Final answer
    x = 804.81

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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.