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Finding the Fourth Proportional to 429.76, 593.07 and 233.27

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Solution

The fourth proportional to 429.76, 593.07 and 233.27 is: 321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.76 : 593.07 = 233.27 : x
  2. Step 2: Convert to fraction form
    429.76/593.07 = 233.27/x
  3. Step 3: Cross multiply
    429.76x = 593.07 × 233.27
  4. Step 4: Simplify right side
    429.76x = 138,344.81
  5. Step 5: Solve for x
    x = 138,344.81/429.76
  6. Step 6: Final answer
    x = 321.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.