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Finding the Fourth Proportional to 1,818.01, 2,727.24 and 519.49

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Solution

The fourth proportional to 1,818.01, 2,727.24 and 519.49 is: 779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.01 : 2,727.24 = 519.49 : x
  2. Step 2: Convert to fraction form
    1,818.01/2,727.24 = 519.49/x
  3. Step 3: Cross multiply
    1,818.01x = 2,727.24 × 519.49
  4. Step 4: Simplify right side
    1,818.01x = 1,416,773.91
  5. Step 5: Solve for x
    x = 1,416,773.91/1,818.01
  6. Step 6: Final answer
    x = 779.30

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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.