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Finding the Fourth Proportional to 335.81, 463.37 and 188.44

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Solution

The fourth proportional to 335.81, 463.37 and 188.44 is: 260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.81 : 463.37 = 188.44 : x
  2. Step 2: Convert to fraction form
    335.81/463.37 = 188.44/x
  3. Step 3: Cross multiply
    335.81x = 463.37 × 188.44
  4. Step 4: Simplify right side
    335.81x = 87,317.44
  5. Step 5: Solve for x
    x = 87,317.44/335.81
  6. Step 6: Final answer
    x = 260.02

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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.