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Finding the Fourth Proportional to 431.44, 594.87 and 352.46

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Solution

The fourth proportional to 431.44, 594.87 and 352.46 is: 485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.44 : 594.87 = 352.46 : x
  2. Step 2: Convert to fraction form
    431.44/594.87 = 352.46/x
  3. Step 3: Cross multiply
    431.44x = 594.87 × 352.46
  4. Step 4: Simplify right side
    431.44x = 209,666.12
  5. Step 5: Solve for x
    x = 209,666.12/431.44
  6. Step 6: Final answer
    x = 485.97

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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.