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Finding the Fourth Proportional to 849.53, 1,274.27 and 233.22

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Solution

The fourth proportional to 849.53, 1,274.27 and 233.22 is: 349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.53 : 1,274.27 = 233.22 : x
  2. Step 2: Convert to fraction form
    849.53/1,274.27 = 233.22/x
  3. Step 3: Cross multiply
    849.53x = 1,274.27 × 233.22
  4. Step 4: Simplify right side
    849.53x = 297,184.08
  5. Step 5: Solve for x
    x = 297,184.08/849.53
  6. Step 6: Final answer
    x = 349.82

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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.