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Finding the Fourth Proportional to 469.53, 704.34 and 195.77

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Solution

The fourth proportional to 469.53, 704.34 and 195.77 is: 293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.53 : 704.34 = 195.77 : x
  2. Step 2: Convert to fraction form
    469.53/704.34 = 195.77/x
  3. Step 3: Cross multiply
    469.53x = 704.34 × 195.77
  4. Step 4: Simplify right side
    469.53x = 137,890.40
  5. Step 5: Solve for x
    x = 137,890.40/469.53
  6. Step 6: Final answer
    x = 293.68

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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.