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Finding the Fourth Proportional to 327.68, 452.04 and 224

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Solution

The fourth proportional to 327.68, 452.04 and 224 is: 309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.68 : 452.04 = 224 : x
  2. Step 2: Convert to fraction form
    327.68/452.04 = 224/x
  3. Step 3: Cross multiply
    327.68x = 452.04 × 224
  4. Step 4: Simplify right side
    327.68x = 101,256.96
  5. Step 5: Solve for x
    x = 101,256.96/327.68
  6. Step 6: Final answer
    x = 309.01

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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.