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Finding the Fourth Proportional to 671, 926 and 376.27

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Solution

The fourth proportional to 671, 926 and 376.27 is: 519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    671 : 926 = 376.27 : x
  2. Step 2: Convert to fraction form
    671/926 = 376.27/x
  3. Step 3: Cross multiply
    671x = 926 × 376.27
  4. Step 4: Simplify right side
    671x = 348,426.02
  5. Step 5: Solve for x
    x = 348,426.02/671
  6. Step 6: Final answer
    x = 519.26

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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.