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Finding the Fourth Proportional to 1,483.11, 2,224.67 and 617.42

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Solution

The fourth proportional to 1,483.11, 2,224.67 and 617.42 is: 926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.11 : 2,224.67 = 617.42 : x
  2. Step 2: Convert to fraction form
    1,483.11/2,224.67 = 617.42/x
  3. Step 3: Cross multiply
    1,483.11x = 2,224.67 × 617.42
  4. Step 4: Simplify right side
    1,483.11x = 1,373,555.75
  5. Step 5: Solve for x
    x = 1,373,555.75/1,483.11
  6. Step 6: Final answer
    x = 926.13

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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.