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Finding the Fourth Proportional to 338.01, 466.47 and 190.69

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Solution

The fourth proportional to 338.01, 466.47 and 190.69 is: 263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.01 : 466.47 = 190.69 : x
  2. Step 2: Convert to fraction form
    338.01/466.47 = 190.69/x
  3. Step 3: Cross multiply
    338.01x = 466.47 × 190.69
  4. Step 4: Simplify right side
    338.01x = 88,951.16
  5. Step 5: Solve for x
    x = 88,951.16/338.01
  6. Step 6: Final answer
    x = 263.16

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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.