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Finding the Fourth Proportional to 297.70, 446.37 and 124.36

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Solution

The fourth proportional to 297.70, 446.37 and 124.36 is: 186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.70 : 446.37 = 124.36 : x
  2. Step 2: Convert to fraction form
    297.70/446.37 = 124.36/x
  3. Step 3: Cross multiply
    297.70x = 446.37 × 124.36
  4. Step 4: Simplify right side
    297.70x = 55,510.57
  5. Step 5: Solve for x
    x = 55,510.57/297.70
  6. Step 6: Final answer
    x = 186.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.