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Finding the Fourth Proportional to 367.68, 550.56 and 346.56

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Solution

The fourth proportional to 367.68, 550.56 and 346.56 is: 518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.68 : 550.56 = 346.56 : x
  2. Step 2: Convert to fraction form
    367.68/550.56 = 346.56/x
  3. Step 3: Cross multiply
    367.68x = 550.56 × 346.56
  4. Step 4: Simplify right side
    367.68x = 190,802.07
  5. Step 5: Solve for x
    x = 190,802.07/367.68
  6. Step 6: Final answer
    x = 518.94

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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.