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Finding the Fourth Proportional to 337.51, 465.77 and 197.64

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Solution

The fourth proportional to 337.51, 465.77 and 197.64 is: 272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.51 : 465.77 = 197.64 : x
  2. Step 2: Convert to fraction form
    337.51/465.77 = 197.64/x
  3. Step 3: Cross multiply
    337.51x = 465.77 × 197.64
  4. Step 4: Simplify right side
    337.51x = 92,055.28
  5. Step 5: Solve for x
    x = 92,055.28/337.51
  6. Step 6: Final answer
    x = 272.75

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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.