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Finding the Fourth Proportional to 335.10, 462.43 and 187.73

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Solution

The fourth proportional to 335.10, 462.43 and 187.73 is: 259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.10 : 462.43 = 187.73 : x
  2. Step 2: Convert to fraction form
    335.10/462.43 = 187.73/x
  3. Step 3: Cross multiply
    335.10x = 462.43 × 187.73
  4. Step 4: Simplify right side
    335.10x = 86,812.67
  5. Step 5: Solve for x
    x = 86,812.67/335.10
  6. Step 6: Final answer
    x = 259.07

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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.