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Finding the Fourth Proportional to 336.46, 504.60 and 141.25

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Solution

The fourth proportional to 336.46, 504.60 and 141.25 is: 211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.46 : 504.60 = 141.25 : x
  2. Step 2: Convert to fraction form
    336.46/504.60 = 141.25/x
  3. Step 3: Cross multiply
    336.46x = 504.60 × 141.25
  4. Step 4: Simplify right side
    336.46x = 71,274.75
  5. Step 5: Solve for x
    x = 71,274.75/336.46
  6. Step 6: Final answer
    x = 211.84

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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.