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Finding the Fourth Proportional to 429.82, 593.25 and 282.37

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Solution

The fourth proportional to 429.82, 593.25 and 282.37 is: 389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.82 : 593.25 = 282.37 : x
  2. Step 2: Convert to fraction form
    429.82/593.25 = 282.37/x
  3. Step 3: Cross multiply
    429.82x = 593.25 × 282.37
  4. Step 4: Simplify right side
    429.82x = 167,516.00
  5. Step 5: Solve for x
    x = 167,516.00/429.82
  6. Step 6: Final answer
    x = 389.74

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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.