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Finding the Fourth Proportional to 676.23, 933.86 and 466.94

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Solution

The fourth proportional to 676.23, 933.86 and 466.94 is: 644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.23 : 933.86 = 466.94 : x
  2. Step 2: Convert to fraction form
    676.23/933.86 = 466.94/x
  3. Step 3: Cross multiply
    676.23x = 933.86 × 466.94
  4. Step 4: Simplify right side
    676.23x = 436,056.59
  5. Step 5: Solve for x
    x = 436,056.59/676.23
  6. Step 6: Final answer
    x = 644.84

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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.