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Finding the Fourth Proportional to 336, 504 and 141

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Solution

The fourth proportional to 336, 504 and 141 is: 211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336 : 504 = 141 : x
  2. Step 2: Convert to fraction form
    336/504 = 141/x
  3. Step 3: Cross multiply
    336x = 504 × 141
  4. Step 4: Simplify right side
    336x = 71,064
  5. Step 5: Solve for x
    x = 71,064/336
  6. Step 6: Final answer
    x = 211.50

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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.