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Finding the Fourth Proportional to 335.88, 504 and 140.83

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Solution

The fourth proportional to 335.88, 504 and 140.83 is: 211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.88 : 504 = 140.83 : x
  2. Step 2: Convert to fraction form
    335.88/504 = 140.83/x
  3. Step 3: Cross multiply
    335.88x = 504 × 140.83
  4. Step 4: Simplify right side
    335.88x = 70,978.32
  5. Step 5: Solve for x
    x = 70,978.32/335.88
  6. Step 6: Final answer
    x = 211.32

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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.