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Finding the Fourth Proportional to 316.44, 473.99 and 235.98

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Solution

The fourth proportional to 316.44, 473.99 and 235.98 is: 353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.44 : 473.99 = 235.98 : x
  2. Step 2: Convert to fraction form
    316.44/473.99 = 235.98/x
  3. Step 3: Cross multiply
    316.44x = 473.99 × 235.98
  4. Step 4: Simplify right side
    316.44x = 111,850.98
  5. Step 5: Solve for x
    x = 111,850.98/316.44
  6. Step 6: Final answer
    x = 353.47

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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.