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Finding the Fourth Proportional to 395.56, 593.59 and 152.11

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Solution

The fourth proportional to 395.56, 593.59 and 152.11 is: 228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.56 : 593.59 = 152.11 : x
  2. Step 2: Convert to fraction form
    395.56/593.59 = 152.11/x
  3. Step 3: Cross multiply
    395.56x = 593.59 × 152.11
  4. Step 4: Simplify right side
    395.56x = 90,290.97
  5. Step 5: Solve for x
    x = 90,290.97/395.56
  6. Step 6: Final answer
    x = 228.26

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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.