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Finding the Fourth Proportional to 297.84, 446.35 and 153.26

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Solution

The fourth proportional to 297.84, 446.35 and 153.26 is: 229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.84 : 446.35 = 153.26 : x
  2. Step 2: Convert to fraction form
    297.84/446.35 = 153.26/x
  3. Step 3: Cross multiply
    297.84x = 446.35 × 153.26
  4. Step 4: Simplify right side
    297.84x = 68,407.60
  5. Step 5: Solve for x
    x = 68,407.60/297.84
  6. Step 6: Final answer
    x = 229.68

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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.