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Finding the Fourth Proportional to 336.16, 504.67 and 214.96

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Solution

The fourth proportional to 336.16, 504.67 and 214.96 is: 322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.16 : 504.67 = 214.96 : x
  2. Step 2: Convert to fraction form
    336.16/504.67 = 214.96/x
  3. Step 3: Cross multiply
    336.16x = 504.67 × 214.96
  4. Step 4: Simplify right side
    336.16x = 108,483.86
  5. Step 5: Solve for x
    x = 108,483.86/336.16
  6. Step 6: Final answer
    x = 322.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.