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Finding the Fourth Proportional to 2,057,286.20, 2,873,114.80 and 2,057,286.20

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Solution

The fourth proportional to 2,057,286.20, 2,873,114.80 and 2,057,286.20 is: 2,873,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,286.20 : 2,873,114.80 = 2,057,286.20 : x
  2. Step 2: Convert to fraction form
    2,057,286.20/2,873,114.80 = 2,057,286.20/x
  3. Step 3: Cross multiply
    2,057,286.20x = 2,873,114.80 × 2,057,286.20
  4. Step 4: Simplify right side
    2,057,286.20x = 5,910,819,429,055.76
  5. Step 5: Solve for x
    x = 5,910,819,429,055.76/2,057,286.20
  6. Step 6: Final answer
    x = 2,873,114.80

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.