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Finding the Fourth Proportional to 576.92, 796.44 and 356.00

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Solution

The fourth proportional to 576.92, 796.44 and 356.00 is: 491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.92 : 796.44 = 356.00 : x
  2. Step 2: Convert to fraction form
    576.92/796.44 = 356.00/x
  3. Step 3: Cross multiply
    576.92x = 796.44 × 356.00
  4. Step 4: Simplify right side
    576.92x = 283,528.66
  5. Step 5: Solve for x
    x = 283,528.66/576.92
  6. Step 6: Final answer
    x = 491.46

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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.