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Finding the Fourth Proportional to 2,010,846.80, 2,818,918 and 2,010,846.80

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Solution

The fourth proportional to 2,010,846.80, 2,818,918 and 2,010,846.80 is: 2,818,918

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,846.80 : 2,818,918 = 2,010,846.80 : x
  2. Step 2: Convert to fraction form
    2,010,846.80/2,818,918 = 2,010,846.80/x
  3. Step 3: Cross multiply
    2,010,846.80x = 2,818,918 × 2,010,846.80
  4. Step 4: Simplify right side
    2,010,846.80x = 5,668,412,239,762.40
  5. Step 5: Solve for x
    x = 5,668,412,239,762.40/2,010,846.80
  6. Step 6: Final answer
    x = 2,818,918

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Double scale
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1.5x scale

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.