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Finding the Fourth Proportional to 303.84, 456.22 and 182.64

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Solution

The fourth proportional to 303.84, 456.22 and 182.64 is: 274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.84 : 456.22 = 182.64 : x
  2. Step 2: Convert to fraction form
    303.84/456.22 = 182.64/x
  3. Step 3: Cross multiply
    303.84x = 456.22 × 182.64
  4. Step 4: Simplify right side
    303.84x = 83,324.02
  5. Step 5: Solve for x
    x = 83,324.02/303.84
  6. Step 6: Final answer
    x = 274.24

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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.