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Finding the Fourth Proportional to 676.84, 934.05 and 366.34

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Solution

The fourth proportional to 676.84, 934.05 and 366.34 is: 505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.84 : 934.05 = 366.34 : x
  2. Step 2: Convert to fraction form
    676.84/934.05 = 366.34/x
  3. Step 3: Cross multiply
    676.84x = 934.05 × 366.34
  4. Step 4: Simplify right side
    676.84x = 342,179.88
  5. Step 5: Solve for x
    x = 342,179.88/676.84
  6. Step 6: Final answer
    x = 505.56

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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.