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Finding the Fourth Proportional to 336.37, 464.52 and 220

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Solution

The fourth proportional to 336.37, 464.52 and 220 is: 303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.37 : 464.52 = 220 : x
  2. Step 2: Convert to fraction form
    336.37/464.52 = 220/x
  3. Step 3: Cross multiply
    336.37x = 464.52 × 220
  4. Step 4: Simplify right side
    336.37x = 102,194.40
  5. Step 5: Solve for x
    x = 102,194.40/336.37
  6. Step 6: Final answer
    x = 303.82

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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.