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Finding the Fourth Proportional to 364.71, 503.22 and 217.32

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Solution

The fourth proportional to 364.71, 503.22 and 217.32 is: 299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.71 : 503.22 = 217.32 : x
  2. Step 2: Convert to fraction form
    364.71/503.22 = 217.32/x
  3. Step 3: Cross multiply
    364.71x = 503.22 × 217.32
  4. Step 4: Simplify right side
    364.71x = 109,359.77
  5. Step 5: Solve for x
    x = 109,359.77/364.71
  6. Step 6: Final answer
    x = 299.85

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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.