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Finding the Fourth Proportional to 676.81, 934.01 and 382.07

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Solution

The fourth proportional to 676.81, 934.01 and 382.07 is: 527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.81 : 934.01 = 382.07 : x
  2. Step 2: Convert to fraction form
    676.81/934.01 = 382.07/x
  3. Step 3: Cross multiply
    676.81x = 934.01 × 382.07
  4. Step 4: Simplify right side
    676.81x = 356,857.20
  5. Step 5: Solve for x
    x = 356,857.20/676.81
  6. Step 6: Final answer
    x = 527.26

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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.