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Finding the Fourth Proportional to 676.21, 932.83 and 466.60

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Solution

The fourth proportional to 676.21, 932.83 and 466.60 is: 643.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.21 : 932.83 = 466.60 : x
  2. Step 2: Convert to fraction form
    676.21/932.83 = 466.60/x
  3. Step 3: Cross multiply
    676.21x = 932.83 × 466.60
  4. Step 4: Simplify right side
    676.21x = 435,258.48
  5. Step 5: Solve for x
    x = 435,258.48/676.21
  6. Step 6: Final answer
    x = 643.67

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