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Finding the Fourth Proportional to 849.94, 1,274.71 and 233.48

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Solution

The fourth proportional to 849.94, 1,274.71 and 233.48 is: 350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.94 : 1,274.71 = 233.48 : x
  2. Step 2: Convert to fraction form
    849.94/1,274.71 = 233.48/x
  3. Step 3: Cross multiply
    849.94x = 1,274.71 × 233.48
  4. Step 4: Simplify right side
    849.94x = 297,619.29
  5. Step 5: Solve for x
    x = 297,619.29/849.94
  6. Step 6: Final answer
    x = 350.17

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Why These Related Problems?

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