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Finding the Fourth Proportional to 849.86, 1,274.66 and 233.61

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Solution

The fourth proportional to 849.86, 1,274.66 and 233.61 is: 350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.86 : 1,274.66 = 233.61 : x
  2. Step 2: Convert to fraction form
    849.86/1,274.66 = 233.61/x
  3. Step 3: Cross multiply
    849.86x = 1,274.66 × 233.61
  4. Step 4: Simplify right side
    849.86x = 297,773.32
  5. Step 5: Solve for x
    x = 297,773.32/849.86
  6. Step 6: Final answer
    x = 350.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.