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Finding the Fourth Proportional to 1,483.08, 2,224.47 and 495.86

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Solution

The fourth proportional to 1,483.08, 2,224.47 and 495.86 is: 743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.08 : 2,224.47 = 495.86 : x
  2. Step 2: Convert to fraction form
    1,483.08/2,224.47 = 495.86/x
  3. Step 3: Cross multiply
    1,483.08x = 2,224.47 × 495.86
  4. Step 4: Simplify right side
    1,483.08x = 1,103,014.57
  5. Step 5: Solve for x
    x = 1,103,014.57/1,483.08
  6. Step 6: Final answer
    x = 743.73

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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.