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Finding the Fourth Proportional to 367.47, 551.29 and 298.83

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Solution

The fourth proportional to 367.47, 551.29 and 298.83 is: 448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.47 : 551.29 = 298.83 : x
  2. Step 2: Convert to fraction form
    367.47/551.29 = 298.83/x
  3. Step 3: Cross multiply
    367.47x = 551.29 × 298.83
  4. Step 4: Simplify right side
    367.47x = 164,741.99
  5. Step 5: Solve for x
    x = 164,741.99/367.47
  6. Step 6: Final answer
    x = 448.31

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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.