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Finding the Fourth Proportional to 304.82, 456.80 and 236.02

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Solution

The fourth proportional to 304.82, 456.80 and 236.02 is: 353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.82 : 456.80 = 236.02 : x
  2. Step 2: Convert to fraction form
    304.82/456.80 = 236.02/x
  3. Step 3: Cross multiply
    304.82x = 456.80 × 236.02
  4. Step 4: Simplify right side
    304.82x = 107,813.90
  5. Step 5: Solve for x
    x = 107,813.90/304.82
  6. Step 6: Final answer
    x = 353.70

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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.