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Finding the Fourth Proportional to 304.26, 456.35 and 109.24

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Solution

The fourth proportional to 304.26, 456.35 and 109.24 is: 163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.26 : 456.35 = 109.24 : x
  2. Step 2: Convert to fraction form
    304.26/456.35 = 109.24/x
  3. Step 3: Cross multiply
    304.26x = 456.35 × 109.24
  4. Step 4: Simplify right side
    304.26x = 49,849.99
  5. Step 5: Solve for x
    x = 49,849.99/304.26
  6. Step 6: Final answer
    x = 163.84

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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.