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Finding the Fourth Proportional to 365.04, 547.62 and 159.60

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Solution

The fourth proportional to 365.04, 547.62 and 159.60 is: 239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.04 : 547.62 = 159.60 : x
  2. Step 2: Convert to fraction form
    365.04/547.62 = 159.60/x
  3. Step 3: Cross multiply
    365.04x = 547.62 × 159.60
  4. Step 4: Simplify right side
    365.04x = 87,400.15
  5. Step 5: Solve for x
    x = 87,400.15/365.04
  6. Step 6: Final answer
    x = 239.43

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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.