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Finding the Fourth Proportional to 334.95, 462.26 and 187.60

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Solution

The fourth proportional to 334.95, 462.26 and 187.60 is: 258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.95 : 462.26 = 187.60 : x
  2. Step 2: Convert to fraction form
    334.95/462.26 = 187.60/x
  3. Step 3: Cross multiply
    334.95x = 462.26 × 187.60
  4. Step 4: Simplify right side
    334.95x = 86,719.98
  5. Step 5: Solve for x
    x = 86,719.98/334.95
  6. Step 6: Final answer
    x = 258.90

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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.