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Finding the Fourth Proportional to 334.81, 462.03 and 187.43

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Solution

The fourth proportional to 334.81, 462.03 and 187.43 is: 258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.81 : 462.03 = 187.43 : x
  2. Step 2: Convert to fraction form
    334.81/462.03 = 187.43/x
  3. Step 3: Cross multiply
    334.81x = 462.03 × 187.43
  4. Step 4: Simplify right side
    334.81x = 86,598.74
  5. Step 5: Solve for x
    x = 86,598.74/334.81
  6. Step 6: Final answer
    x = 258.65

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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.