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Finding the Fourth Proportional to 379.06, 566.34 and 333.94

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Solution

The fourth proportional to 379.06, 566.34 and 333.94 is: 498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.06 : 566.34 = 333.94 : x
  2. Step 2: Convert to fraction form
    379.06/566.34 = 333.94/x
  3. Step 3: Cross multiply
    379.06x = 566.34 × 333.94
  4. Step 4: Simplify right side
    379.06x = 189,123.58
  5. Step 5: Solve for x
    x = 189,123.58/379.06
  6. Step 6: Final answer
    x = 498.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.