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Finding the Fourth Proportional to 397.08, 593.37 and 324

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Solution

The fourth proportional to 397.08, 593.37 and 324 is: 484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.08 : 593.37 = 324 : x
  2. Step 2: Convert to fraction form
    397.08/593.37 = 324/x
  3. Step 3: Cross multiply
    397.08x = 593.37 × 324
  4. Step 4: Simplify right side
    397.08x = 192,251.88
  5. Step 5: Solve for x
    x = 192,251.88/397.08
  6. Step 6: Final answer
    x = 484.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.