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Finding the Fourth Proportional to 2,330,489.80, 3,489,829.80 and 1,858,097.80

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Solution

The fourth proportional to 2,330,489.80, 3,489,829.80 and 1,858,097.80 is: 2,782,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330,489.80 : 3,489,829.80 = 1,858,097.80 : x
  2. Step 2: Convert to fraction form
    2,330,489.80/3,489,829.80 = 1,858,097.80/x
  3. Step 3: Cross multiply
    2,330,489.80x = 3,489,829.80 × 1,858,097.80
  4. Step 4: Simplify right side
    2,330,489.80x = 6,484,445,073,754.44
  5. Step 5: Solve for x
    x = 6,484,445,073,754.44/2,330,489.80
  6. Step 6: Final answer
    x = 2,782,438.73

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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.