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Finding the Fourth Proportional to 1,149.44, 1,722.95 and 563.63

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Solution

The fourth proportional to 1,149.44, 1,722.95 and 563.63 is: 844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.44 : 1,722.95 = 563.63 : x
  2. Step 2: Convert to fraction form
    1,149.44/1,722.95 = 563.63/x
  3. Step 3: Cross multiply
    1,149.44x = 1,722.95 × 563.63
  4. Step 4: Simplify right side
    1,149.44x = 971,094.88
  5. Step 5: Solve for x
    x = 971,094.88/1,149.44
  6. Step 6: Final answer
    x = 844.85

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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.