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Finding the Fourth Proportional to 1,789,257.60, 2,682,136.80 and 1,600,300.80

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Solution

The fourth proportional to 1,789,257.60, 2,682,136.80 and 1,600,300.80 is: 2,398,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,257.60 : 2,682,136.80 = 1,600,300.80 : x
  2. Step 2: Convert to fraction form
    1,789,257.60/2,682,136.80 = 1,600,300.80/x
  3. Step 3: Cross multiply
    1,789,257.60x = 2,682,136.80 × 1,600,300.80
  4. Step 4: Simplify right side
    1,789,257.60x = 4,292,225,666,749.44
  5. Step 5: Solve for x
    x = 4,292,225,666,749.44/1,789,257.60
  6. Step 6: Final answer
    x = 2,398,886.37

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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.