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Finding the Fourth Proportional to 365.76, 548.40 and 183.24

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Solution

The fourth proportional to 365.76, 548.40 and 183.24 is: 274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.76 : 548.40 = 183.24 : x
  2. Step 2: Convert to fraction form
    365.76/548.40 = 183.24/x
  3. Step 3: Cross multiply
    365.76x = 548.40 × 183.24
  4. Step 4: Simplify right side
    365.76x = 100,488.82
  5. Step 5: Solve for x
    x = 100,488.82/365.76
  6. Step 6: Final answer
    x = 274.74

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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.