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Finding the Fourth Proportional to 2,177,703.36, 3,266,555.04 and 681,912

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Solution

The fourth proportional to 2,177,703.36, 3,266,555.04 and 681,912 is: 1,022,868

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,703.36 : 3,266,555.04 = 681,912 : x
  2. Step 2: Convert to fraction form
    2,177,703.36/3,266,555.04 = 681,912/x
  3. Step 3: Cross multiply
    2,177,703.36x = 3,266,555.04 × 681,912
  4. Step 4: Simplify right side
    2,177,703.36x = 2,227,503,080,436.48
  5. Step 5: Solve for x
    x = 2,227,503,080,436.48/2,177,703.36
  6. Step 6: Final answer
    x = 1,022,868

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Double scale
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Similar ratio
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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.