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Finding the Fourth Proportional to 301.96, 452.96 and 297.72

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Solution

The fourth proportional to 301.96, 452.96 and 297.72 is: 446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.96 : 452.96 = 297.72 : x
  2. Step 2: Convert to fraction form
    301.96/452.96 = 297.72/x
  3. Step 3: Cross multiply
    301.96x = 452.96 × 297.72
  4. Step 4: Simplify right side
    301.96x = 134,855.25
  5. Step 5: Solve for x
    x = 134,855.25/301.96
  6. Step 6: Final answer
    x = 446.60

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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.