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Finding the Fourth Proportional to 297.51, 446.29 and 102.48

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Solution

The fourth proportional to 297.51, 446.29 and 102.48 is: 153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.51 : 446.29 = 102.48 : x
  2. Step 2: Convert to fraction form
    297.51/446.29 = 102.48/x
  3. Step 3: Cross multiply
    297.51x = 446.29 × 102.48
  4. Step 4: Simplify right side
    297.51x = 45,737.97
  5. Step 5: Solve for x
    x = 45,737.97/297.51
  6. Step 6: Final answer
    x = 153.74

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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.