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Finding the Fourth Proportional to 849.71, 1,274.54 and 233.48

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Solution

The fourth proportional to 849.71, 1,274.54 and 233.48 is: 350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.71 : 1,274.54 = 233.48 : x
  2. Step 2: Convert to fraction form
    849.71/1,274.54 = 233.48/x
  3. Step 3: Cross multiply
    849.71x = 1,274.54 × 233.48
  4. Step 4: Simplify right side
    849.71x = 297,581.62
  5. Step 5: Solve for x
    x = 297,581.62/849.71
  6. Step 6: Final answer
    x = 350.21

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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.