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Finding the Fourth Proportional to 431, 594.82 and 273.60

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Solution

The fourth proportional to 431, 594.82 and 273.60 is: 377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431 : 594.82 = 273.60 : x
  2. Step 2: Convert to fraction form
    431/594.82 = 273.60/x
  3. Step 3: Cross multiply
    431x = 594.82 × 273.60
  4. Step 4: Simplify right side
    431x = 162,742.75
  5. Step 5: Solve for x
    x = 162,742.75/431
  6. Step 6: Final answer
    x = 377.59

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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.