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Finding the Fourth Proportional to 335.54, 462.99 and 188.17

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Solution

The fourth proportional to 335.54, 462.99 and 188.17 is: 259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.54 : 462.99 = 188.17 : x
  2. Step 2: Convert to fraction form
    335.54/462.99 = 188.17/x
  3. Step 3: Cross multiply
    335.54x = 462.99 × 188.17
  4. Step 4: Simplify right side
    335.54x = 87,120.83
  5. Step 5: Solve for x
    x = 87,120.83/335.54
  6. Step 6: Final answer
    x = 259.64

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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.