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Finding the Fourth Proportional to 333.72, 460.55 and 186.37

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Solution

The fourth proportional to 333.72, 460.55 and 186.37 is: 257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.72 : 460.55 = 186.37 : x
  2. Step 2: Convert to fraction form
    333.72/460.55 = 186.37/x
  3. Step 3: Cross multiply
    333.72x = 460.55 × 186.37
  4. Step 4: Simplify right side
    333.72x = 85,832.02
  5. Step 5: Solve for x
    x = 85,832.02/333.72
  6. Step 6: Final answer
    x = 257.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.