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Finding the Fourth Proportional to 323.51, 446.46 and 183.63

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Solution

The fourth proportional to 323.51, 446.46 and 183.63 is: 253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.51 : 446.46 = 183.63 : x
  2. Step 2: Convert to fraction form
    323.51/446.46 = 183.63/x
  3. Step 3: Cross multiply
    323.51x = 446.46 × 183.63
  4. Step 4: Simplify right side
    323.51x = 81,981.70
  5. Step 5: Solve for x
    x = 81,981.70/323.51
  6. Step 6: Final answer
    x = 253.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.