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Finding the Fourth Proportional to 576.99, 795.96 and 380.70

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Solution

The fourth proportional to 576.99, 795.96 and 380.70 is: 525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.99 : 795.96 = 380.70 : x
  2. Step 2: Convert to fraction form
    576.99/795.96 = 380.70/x
  3. Step 3: Cross multiply
    576.99x = 795.96 × 380.70
  4. Step 4: Simplify right side
    576.99x = 303,021.97
  5. Step 5: Solve for x
    x = 303,021.97/576.99
  6. Step 6: Final answer
    x = 525.18

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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.