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Finding the Fourth Proportional to 1,650.46, 2,474.94 and 495.94

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Solution

The fourth proportional to 1,650.46, 2,474.94 and 495.94 is: 743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.46 : 2,474.94 = 495.94 : x
  2. Step 2: Convert to fraction form
    1,650.46/2,474.94 = 495.94/x
  3. Step 3: Cross multiply
    1,650.46x = 2,474.94 × 495.94
  4. Step 4: Simplify right side
    1,650.46x = 1,227,421.74
  5. Step 5: Solve for x
    x = 1,227,421.74/1,650.46
  6. Step 6: Final answer
    x = 743.68

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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.