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Finding the Fourth Proportional to 855.44, 1,180.42 and 576

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Solution

The fourth proportional to 855.44, 1,180.42 and 576 is: 794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    855.44 : 1,180.42 = 576 : x
  2. Step 2: Convert to fraction form
    855.44/1,180.42 = 576/x
  3. Step 3: Cross multiply
    855.44x = 1,180.42 × 576
  4. Step 4: Simplify right side
    855.44x = 679,921.92
  5. Step 5: Solve for x
    x = 679,921.92/855.44
  6. Step 6: Final answer
    x = 794.82

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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.