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Finding the Fourth Proportional to 367.99, 552.07 and 265.02

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Solution

The fourth proportional to 367.99, 552.07 and 265.02 is: 397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.99 : 552.07 = 265.02 : x
  2. Step 2: Convert to fraction form
    367.99/552.07 = 265.02/x
  3. Step 3: Cross multiply
    367.99x = 552.07 × 265.02
  4. Step 4: Simplify right side
    367.99x = 146,309.47
  5. Step 5: Solve for x
    x = 146,309.47/367.99
  6. Step 6: Final answer
    x = 397.59

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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.