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Finding the Fourth Proportional to 333.93, 460.81 and 186.56

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Solution

The fourth proportional to 333.93, 460.81 and 186.56 is: 257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.93 : 460.81 = 186.56 : x
  2. Step 2: Convert to fraction form
    333.93/460.81 = 186.56/x
  3. Step 3: Cross multiply
    333.93x = 460.81 × 186.56
  4. Step 4: Simplify right side
    333.93x = 85,968.71
  5. Step 5: Solve for x
    x = 85,968.71/333.93
  6. Step 6: Final answer
    x = 257.45

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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.