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Finding the Fourth Proportional to 365.47, 548.50 and 192.24

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Solution

The fourth proportional to 365.47, 548.50 and 192.24 is: 288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.47 : 548.50 = 192.24 : x
  2. Step 2: Convert to fraction form
    365.47/548.50 = 192.24/x
  3. Step 3: Cross multiply
    365.47x = 548.50 × 192.24
  4. Step 4: Simplify right side
    365.47x = 105,443.64
  5. Step 5: Solve for x
    x = 105,443.64/365.47
  6. Step 6: Final answer
    x = 288.51

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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.