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Finding the Fourth Proportional to 334.83, 462.05 and 187.48

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Solution

The fourth proportional to 334.83, 462.05 and 187.48 is: 258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.83 : 462.05 = 187.48 : x
  2. Step 2: Convert to fraction form
    334.83/462.05 = 187.48/x
  3. Step 3: Cross multiply
    334.83x = 462.05 × 187.48
  4. Step 4: Simplify right side
    334.83x = 86,625.13
  5. Step 5: Solve for x
    x = 86,625.13/334.83
  6. Step 6: Final answer
    x = 258.71

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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.