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Finding the Fourth Proportional to 364.88, 547.38 and 133.94

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Solution

The fourth proportional to 364.88, 547.38 and 133.94 is: 200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.88 : 547.38 = 133.94 : x
  2. Step 2: Convert to fraction form
    364.88/547.38 = 133.94/x
  3. Step 3: Cross multiply
    364.88x = 547.38 × 133.94
  4. Step 4: Simplify right side
    364.88x = 73,317.05
  5. Step 5: Solve for x
    x = 73,317.05/364.88
  6. Step 6: Final answer
    x = 200.93

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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.