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Finding the Fourth Proportional to 3,800,596.40, 5,692,945.80 and 1,780,564.40

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Solution

The fourth proportional to 3,800,596.40, 5,692,945.80 and 1,780,564.40 is: 2,667,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800,596.40 : 5,692,945.80 = 1,780,564.40 : x
  2. Step 2: Convert to fraction form
    3,800,596.40/5,692,945.80 = 1,780,564.40/x
  3. Step 3: Cross multiply
    3,800,596.40x = 5,692,945.80 × 1,780,564.40
  4. Step 4: Simplify right side
    3,800,596.40x = 10,136,656,622,609.52
  5. Step 5: Solve for x
    x = 10,136,656,622,609.52/3,800,596.40
  6. Step 6: Final answer
    x = 2,667,122.62

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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.