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Finding the Fourth Proportional to 334.09, 460.99 and 186.70

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Solution

The fourth proportional to 334.09, 460.99 and 186.70 is: 257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.09 : 460.99 = 186.70 : x
  2. Step 2: Convert to fraction form
    334.09/460.99 = 186.70/x
  3. Step 3: Cross multiply
    334.09x = 460.99 × 186.70
  4. Step 4: Simplify right side
    334.09x = 86,066.83
  5. Step 5: Solve for x
    x = 86,066.83/334.09
  6. Step 6: Final answer
    x = 257.62

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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.