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Finding the Fourth Proportional to 304.50, 456.42 and 150.48

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Solution

The fourth proportional to 304.50, 456.42 and 150.48 is: 225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.50 : 456.42 = 150.48 : x
  2. Step 2: Convert to fraction form
    304.50/456.42 = 150.48/x
  3. Step 3: Cross multiply
    304.50x = 456.42 × 150.48
  4. Step 4: Simplify right side
    304.50x = 68,682.08
  5. Step 5: Solve for x
    x = 68,682.08/304.50
  6. Step 6: Final answer
    x = 225.56

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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.