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Finding the Fourth Proportional to 429.71, 593.01 and 233.23

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Solution

The fourth proportional to 429.71, 593.01 and 233.23 is: 321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.71 : 593.01 = 233.23 : x
  2. Step 2: Convert to fraction form
    429.71/593.01 = 233.23/x
  3. Step 3: Cross multiply
    429.71x = 593.01 × 233.23
  4. Step 4: Simplify right side
    429.71x = 138,305.03
  5. Step 5: Solve for x
    x = 138,305.03/429.71
  6. Step 6: Final answer
    x = 321.85

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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.