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Finding the Fourth Proportional to 344.88, 475.92 and 197.53

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Solution

The fourth proportional to 344.88, 475.92 and 197.53 is: 272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.88 : 475.92 = 197.53 : x
  2. Step 2: Convert to fraction form
    344.88/475.92 = 197.53/x
  3. Step 3: Cross multiply
    344.88x = 475.92 × 197.53
  4. Step 4: Simplify right side
    344.88x = 94,007.29
  5. Step 5: Solve for x
    x = 94,007.29/344.88
  6. Step 6: Final answer
    x = 272.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.