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Finding the Fourth Proportional to 1,469.16, 2,203.65 and 544.62

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Solution

The fourth proportional to 1,469.16, 2,203.65 and 544.62 is: 816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.16 : 2,203.65 = 544.62 : x
  2. Step 2: Convert to fraction form
    1,469.16/2,203.65 = 544.62/x
  3. Step 3: Cross multiply
    1,469.16x = 2,203.65 × 544.62
  4. Step 4: Simplify right side
    1,469.16x = 1,200,151.86
  5. Step 5: Solve for x
    x = 1,200,151.86/1,469.16
  6. Step 6: Final answer
    x = 816.90

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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.