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Finding the Fourth Proportional to 333.72, 460.54 and 186.35

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Solution

The fourth proportional to 333.72, 460.54 and 186.35 is: 257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.72 : 460.54 = 186.35 : x
  2. Step 2: Convert to fraction form
    333.72/460.54 = 186.35/x
  3. Step 3: Cross multiply
    333.72x = 460.54 × 186.35
  4. Step 4: Simplify right side
    333.72x = 85,821.63
  5. Step 5: Solve for x
    x = 85,821.63/333.72
  6. Step 6: Final answer
    x = 257.17

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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.