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Finding the Fourth Proportional to 576.16, 794.96 and 369.44

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Solution

The fourth proportional to 576.16, 794.96 and 369.44 is: 509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.16 : 794.96 = 369.44 : x
  2. Step 2: Convert to fraction form
    576.16/794.96 = 369.44/x
  3. Step 3: Cross multiply
    576.16x = 794.96 × 369.44
  4. Step 4: Simplify right side
    576.16x = 293,690.02
  5. Step 5: Solve for x
    x = 293,690.02/576.16
  6. Step 6: Final answer
    x = 509.74

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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.