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Finding the Fourth Proportional to 395.88, 593.90 and 122.01

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Solution

The fourth proportional to 395.88, 593.90 and 122.01 is: 183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.88 : 593.90 = 122.01 : x
  2. Step 2: Convert to fraction form
    395.88/593.90 = 122.01/x
  3. Step 3: Cross multiply
    395.88x = 593.90 × 122.01
  4. Step 4: Simplify right side
    395.88x = 72,462.04
  5. Step 5: Solve for x
    x = 72,462.04/395.88
  6. Step 6: Final answer
    x = 183.04

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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.