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Finding the Fourth Proportional to 364.26, 547 and 361.42

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Solution

The fourth proportional to 364.26, 547 and 361.42 is: 542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.26 : 547 = 361.42 : x
  2. Step 2: Convert to fraction form
    364.26/547 = 361.42/x
  3. Step 3: Cross multiply
    364.26x = 547 × 361.42
  4. Step 4: Simplify right side
    364.26x = 197,696.74
  5. Step 5: Solve for x
    x = 197,696.74/364.26
  6. Step 6: Final answer
    x = 542.74

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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.