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Finding the Fourth Proportional to 336.93, 465.08 and 226.39

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Solution

The fourth proportional to 336.93, 465.08 and 226.39 is: 312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.93 : 465.08 = 226.39 : x
  2. Step 2: Convert to fraction form
    336.93/465.08 = 226.39/x
  3. Step 3: Cross multiply
    336.93x = 465.08 × 226.39
  4. Step 4: Simplify right side
    336.93x = 105,288.67
  5. Step 5: Solve for x
    x = 105,288.67/336.93
  6. Step 6: Final answer
    x = 312.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.