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Finding the Fourth Proportional to 1,468.85, 2,203.05 and 481.67

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Solution

The fourth proportional to 1,468.85, 2,203.05 and 481.67 is: 722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.85 : 2,203.05 = 481.67 : x
  2. Step 2: Convert to fraction form
    1,468.85/2,203.05 = 481.67/x
  3. Step 3: Cross multiply
    1,468.85x = 2,203.05 × 481.67
  4. Step 4: Simplify right side
    1,468.85x = 1,061,132.08
  5. Step 5: Solve for x
    x = 1,061,132.08/1,468.85
  6. Step 6: Final answer
    x = 722.42

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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.