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Finding the Fourth Proportional to 379.10, 570.92 and 333.94

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Solution

The fourth proportional to 379.10, 570.92 and 333.94 is: 502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.10 : 570.92 = 333.94 : x
  2. Step 2: Convert to fraction form
    379.10/570.92 = 333.94/x
  3. Step 3: Cross multiply
    379.10x = 570.92 × 333.94
  4. Step 4: Simplify right side
    379.10x = 190,653.02
  5. Step 5: Solve for x
    x = 190,653.02/379.10
  6. Step 6: Final answer
    x = 502.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.