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Finding the Fourth Proportional to 336.45, 504.87 and 141.44

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Solution

The fourth proportional to 336.45, 504.87 and 141.44 is: 212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.45 : 504.87 = 141.44 : x
  2. Step 2: Convert to fraction form
    336.45/504.87 = 141.44/x
  3. Step 3: Cross multiply
    336.45x = 504.87 × 141.44
  4. Step 4: Simplify right side
    336.45x = 71,407.50
  5. Step 5: Solve for x
    x = 71,407.50/336.45
  6. Step 6: Final answer
    x = 212.24

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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.