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Finding the Fourth Proportional to 364.97, 547.41 and 159.48

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Solution

The fourth proportional to 364.97, 547.41 and 159.48 is: 239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.97 : 547.41 = 159.48 : x
  2. Step 2: Convert to fraction form
    364.97/547.41 = 159.48/x
  3. Step 3: Cross multiply
    364.97x = 547.41 × 159.48
  4. Step 4: Simplify right side
    364.97x = 87,300.95
  5. Step 5: Solve for x
    x = 87,300.95/364.97
  6. Step 6: Final answer
    x = 239.20

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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.