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Finding the Fourth Proportional to 294.47, 406.37 and 168.45

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Solution

The fourth proportional to 294.47, 406.37 and 168.45 is: 232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.47 : 406.37 = 168.45 : x
  2. Step 2: Convert to fraction form
    294.47/406.37 = 168.45/x
  3. Step 3: Cross multiply
    294.47x = 406.37 × 168.45
  4. Step 4: Simplify right side
    294.47x = 68,450.98
  5. Step 5: Solve for x
    x = 68,450.98/294.47
  6. Step 6: Final answer
    x = 232.46

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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.