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Finding the Fourth Proportional to 469.63, 704.50 and 195.69

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Solution

The fourth proportional to 469.63, 704.50 and 195.69 is: 293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.63 : 704.50 = 195.69 : x
  2. Step 2: Convert to fraction form
    469.63/704.50 = 195.69/x
  3. Step 3: Cross multiply
    469.63x = 704.50 × 195.69
  4. Step 4: Simplify right side
    469.63x = 137,863.61
  5. Step 5: Solve for x
    x = 137,863.61/469.63
  6. Step 6: Final answer
    x = 293.56

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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.