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Finding the Fourth Proportional to 338.92, 467.71 and 183.67

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Solution

The fourth proportional to 338.92, 467.71 and 183.67 is: 253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.92 : 467.71 = 183.67 : x
  2. Step 2: Convert to fraction form
    338.92/467.71 = 183.67/x
  3. Step 3: Cross multiply
    338.92x = 467.71 × 183.67
  4. Step 4: Simplify right side
    338.92x = 85,904.30
  5. Step 5: Solve for x
    x = 85,904.30/338.92
  6. Step 6: Final answer
    x = 253.46

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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.