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Finding the Fourth Proportional to 304.16, 456.68 and 196.52

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Solution

The fourth proportional to 304.16, 456.68 and 196.52 is: 295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.16 : 456.68 = 196.52 : x
  2. Step 2: Convert to fraction form
    304.16/456.68 = 196.52/x
  3. Step 3: Cross multiply
    304.16x = 456.68 × 196.52
  4. Step 4: Simplify right side
    304.16x = 89,746.75
  5. Step 5: Solve for x
    x = 89,746.75/304.16
  6. Step 6: Final answer
    x = 295.06

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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.