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Finding the Fourth Proportional to 676.62, 933.75 and 466.84

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Solution

The fourth proportional to 676.62, 933.75 and 466.84 is: 644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.62 : 933.75 = 466.84 : x
  2. Step 2: Convert to fraction form
    676.62/933.75 = 466.84/x
  3. Step 3: Cross multiply
    676.62x = 933.75 × 466.84
  4. Step 4: Simplify right side
    676.62x = 435,913.02
  5. Step 5: Solve for x
    x = 435,913.02/676.62
  6. Step 6: Final answer
    x = 644.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.