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Finding the Fourth Proportional to 1,815,452.48, 2,721,917.58 and 804,023.24

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Solution

The fourth proportional to 1,815,452.48, 2,721,917.58 and 804,023.24 is: 1,205,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,452.48 : 2,721,917.58 = 804,023.24 : x
  2. Step 2: Convert to fraction form
    1,815,452.48/2,721,917.58 = 804,023.24/x
  3. Step 3: Cross multiply
    1,815,452.48x = 2,721,917.58 × 804,023.24
  4. Step 4: Simplify right side
    1,815,452.48x = 2,188,484,991,684.56
  5. Step 5: Solve for x
    x = 2,188,484,991,684.56/1,815,452.48
  6. Step 6: Final answer
    x = 1,205,476.33

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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.