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Finding the Fourth Proportional to 364.83, 503.43 and 217.44

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Solution

The fourth proportional to 364.83, 503.43 and 217.44 is: 300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.83 : 503.43 = 217.44 : x
  2. Step 2: Convert to fraction form
    364.83/503.43 = 217.44/x
  3. Step 3: Cross multiply
    364.83x = 503.43 × 217.44
  4. Step 4: Simplify right side
    364.83x = 109,465.82
  5. Step 5: Solve for x
    x = 109,465.82/364.83
  6. Step 6: Final answer
    x = 300.05

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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.