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Finding the Fourth Proportional to 3,503,873.70, 5,256,794.70 and 1,706,815.80

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Solution

The fourth proportional to 3,503,873.70, 5,256,794.70 and 1,706,815.80 is: 2,560,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,873.70 : 5,256,794.70 = 1,706,815.80 : x
  2. Step 2: Convert to fraction form
    3,503,873.70/5,256,794.70 = 1,706,815.80/x
  3. Step 3: Cross multiply
    3,503,873.70x = 5,256,794.70 × 1,706,815.80
  4. Step 4: Simplify right side
    3,503,873.70x = 8,972,380,251,316.26
  5. Step 5: Solve for x
    x = 8,972,380,251,316.26/3,503,873.70
  6. Step 6: Final answer
    x = 2,560,703.10

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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.