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Finding the Fourth Proportional to 534.44, 737.48 and 313.37

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Solution

The fourth proportional to 534.44, 737.48 and 313.37 is: 432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.44 : 737.48 = 313.37 : x
  2. Step 2: Convert to fraction form
    534.44/737.48 = 313.37/x
  3. Step 3: Cross multiply
    534.44x = 737.48 × 313.37
  4. Step 4: Simplify right side
    534.44x = 231,098.85
  5. Step 5: Solve for x
    x = 231,098.85/534.44
  6. Step 6: Final answer
    x = 432.42

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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.