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Finding the Fourth Proportional to 469.67, 704.50 and 225.99

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Solution

The fourth proportional to 469.67, 704.50 and 225.99 is: 338.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.67 : 704.50 = 225.99 : x
  2. Step 2: Convert to fraction form
    469.67/704.50 = 225.99/x
  3. Step 3: Cross multiply
    469.67x = 704.50 × 225.99
  4. Step 4: Simplify right side
    469.67x = 159,209.39
  5. Step 5: Solve for x
    x = 159,209.39/469.67
  6. Step 6: Final answer
    x = 338.99

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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.