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Finding the Fourth Proportional to 337.42, 465.60 and 197.53

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Solution

The fourth proportional to 337.42, 465.60 and 197.53 is: 272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.42 : 465.60 = 197.53 : x
  2. Step 2: Convert to fraction form
    337.42/465.60 = 197.53/x
  3. Step 3: Cross multiply
    337.42x = 465.60 × 197.53
  4. Step 4: Simplify right side
    337.42x = 91,967.64
  5. Step 5: Solve for x
    x = 91,967.64/337.42
  6. Step 6: Final answer
    x = 272.57

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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.