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Finding the Fourth Proportional to 338.32, 466.74 and 244.86

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Solution

The fourth proportional to 338.32, 466.74 and 244.86 is: 337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.32 : 466.74 = 244.86 : x
  2. Step 2: Convert to fraction form
    338.32/466.74 = 244.86/x
  3. Step 3: Cross multiply
    338.32x = 466.74 × 244.86
  4. Step 4: Simplify right side
    338.32x = 114,285.96
  5. Step 5: Solve for x
    x = 114,285.96/338.32
  6. Step 6: Final answer
    x = 337.80

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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.