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Finding the Fourth Proportional to 469.88, 704.80 and 195.96

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Solution

The fourth proportional to 469.88, 704.80 and 195.96 is: 293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.88 : 704.80 = 195.96 : x
  2. Step 2: Convert to fraction form
    469.88/704.80 = 195.96/x
  3. Step 3: Cross multiply
    469.88x = 704.80 × 195.96
  4. Step 4: Simplify right side
    469.88x = 138,112.61
  5. Step 5: Solve for x
    x = 138,112.61/469.88
  6. Step 6: Final answer
    x = 293.93

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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.