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Finding the Fourth Proportional to 316.29, 474.03 and 233.81

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Solution

The fourth proportional to 316.29, 474.03 and 233.81 is: 350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.29 : 474.03 = 233.81 : x
  2. Step 2: Convert to fraction form
    316.29/474.03 = 233.81/x
  3. Step 3: Cross multiply
    316.29x = 474.03 × 233.81
  4. Step 4: Simplify right side
    316.29x = 110,830.58
  5. Step 5: Solve for x
    x = 110,830.58/316.29
  6. Step 6: Final answer
    x = 350.41

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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.