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Finding the Fourth Proportional to 294.33, 406.20 and 170.00

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Solution

The fourth proportional to 294.33, 406.20 and 170.00 is: 234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.33 : 406.20 = 170.00 : x
  2. Step 2: Convert to fraction form
    294.33/406.20 = 170.00/x
  3. Step 3: Cross multiply
    294.33x = 406.20 × 170.00
  4. Step 4: Simplify right side
    294.33x = 69,053.17
  5. Step 5: Solve for x
    x = 69,053.17/294.33
  6. Step 6: Final answer
    x = 234.61

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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.