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Finding the Fourth Proportional to 671, 926.06 and 376.34

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Solution

The fourth proportional to 671, 926.06 and 376.34 is: 519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    671 : 926.06 = 376.34 : x
  2. Step 2: Convert to fraction form
    671/926.06 = 376.34/x
  3. Step 3: Cross multiply
    671x = 926.06 × 376.34
  4. Step 4: Simplify right side
    671x = 348,513.42
  5. Step 5: Solve for x
    x = 348,513.42/671
  6. Step 6: Final answer
    x = 519.39

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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.