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Finding the Fourth Proportional to 506, 759.27 and 249.50

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Solution

The fourth proportional to 506, 759.27 and 249.50 is: 374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    506 : 759.27 = 249.50 : x
  2. Step 2: Convert to fraction form
    506/759.27 = 249.50/x
  3. Step 3: Cross multiply
    506x = 759.27 × 249.50
  4. Step 4: Simplify right side
    506x = 189,437.87
  5. Step 5: Solve for x
    x = 189,437.87/506
  6. Step 6: Final answer
    x = 374.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.