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Finding the Fourth Proportional to 304.92, 457.44 and 174.98

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Solution

The fourth proportional to 304.92, 457.44 and 174.98 is: 262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.92 : 457.44 = 174.98 : x
  2. Step 2: Convert to fraction form
    304.92/457.44 = 174.98/x
  3. Step 3: Cross multiply
    304.92x = 457.44 × 174.98
  4. Step 4: Simplify right side
    304.92x = 80,042.85
  5. Step 5: Solve for x
    x = 80,042.85/304.92
  6. Step 6: Final answer
    x = 262.50

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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.