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Finding the Fourth Proportional to 537.64, 741.54 and 338.28

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Solution

The fourth proportional to 537.64, 741.54 and 338.28 is: 466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.64 : 741.54 = 338.28 : x
  2. Step 2: Convert to fraction form
    537.64/741.54 = 338.28/x
  3. Step 3: Cross multiply
    537.64x = 741.54 × 338.28
  4. Step 4: Simplify right side
    537.64x = 250,844.44
  5. Step 5: Solve for x
    x = 250,844.44/537.64
  6. Step 6: Final answer
    x = 466.57

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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.