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Finding the Fourth Proportional to 336.93, 504.66 and 220.95

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Solution

The fourth proportional to 336.93, 504.66 and 220.95 is: 330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.93 : 504.66 = 220.95 : x
  2. Step 2: Convert to fraction form
    336.93/504.66 = 220.95/x
  3. Step 3: Cross multiply
    336.93x = 504.66 × 220.95
  4. Step 4: Simplify right side
    336.93x = 111,504.63
  5. Step 5: Solve for x
    x = 111,504.63/336.93
  6. Step 6: Final answer
    x = 330.94

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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.