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Finding the Fourth Proportional to 333.69, 460.46 and 186.30

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Solution

The fourth proportional to 333.69, 460.46 and 186.30 is: 257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.69 : 460.46 = 186.30 : x
  2. Step 2: Convert to fraction form
    333.69/460.46 = 186.30/x
  3. Step 3: Cross multiply
    333.69x = 460.46 × 186.30
  4. Step 4: Simplify right side
    333.69x = 85,785.89
  5. Step 5: Solve for x
    x = 85,785.89/333.69
  6. Step 6: Final answer
    x = 257.08

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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.