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Finding the Fourth Proportional to 304.20, 455.96 and 182.24

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Solution

The fourth proportional to 304.20, 455.96 and 182.24 is: 273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.20 : 455.96 = 182.24 : x
  2. Step 2: Convert to fraction form
    304.20/455.96 = 182.24/x
  3. Step 3: Cross multiply
    304.20x = 455.96 × 182.24
  4. Step 4: Simplify right side
    304.20x = 83,094.15
  5. Step 5: Solve for x
    x = 83,094.15/304.20
  6. Step 6: Final answer
    x = 273.16

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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.