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Finding the Fourth Proportional to 562.87, 776.96 and 376.30

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Solution

The fourth proportional to 562.87, 776.96 and 376.30 is: 519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.87 : 776.96 = 376.30 : x
  2. Step 2: Convert to fraction form
    562.87/776.96 = 376.30/x
  3. Step 3: Cross multiply
    562.87x = 776.96 × 376.30
  4. Step 4: Simplify right side
    562.87x = 292,370.05
  5. Step 5: Solve for x
    x = 292,370.05/562.87
  6. Step 6: Final answer
    x = 519.43

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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.