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Finding the Fourth Proportional to 849.70, 1,274.52 and 233.46

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Solution

The fourth proportional to 849.70, 1,274.52 and 233.46 is: 350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.70 : 1,274.52 = 233.46 : x
  2. Step 2: Convert to fraction form
    849.70/1,274.52 = 233.46/x
  3. Step 3: Cross multiply
    849.70x = 1,274.52 × 233.46
  4. Step 4: Simplify right side
    849.70x = 297,549.44
  5. Step 5: Solve for x
    x = 297,549.44/849.70
  6. Step 6: Final answer
    x = 350.18

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1.5x scale

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.