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Finding the Fourth Proportional to 367.49, 554.01 and 347.64

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Solution

The fourth proportional to 367.49, 554.01 and 347.64 is: 524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.49 : 554.01 = 347.64 : x
  2. Step 2: Convert to fraction form
    367.49/554.01 = 347.64/x
  3. Step 3: Cross multiply
    367.49x = 554.01 × 347.64
  4. Step 4: Simplify right side
    367.49x = 192,596.04
  5. Step 5: Solve for x
    x = 192,596.04/367.49
  6. Step 6: Final answer
    x = 524.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.