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Finding the Fourth Proportional to 1,481,806.80, 2,044,893 and 802,743.12

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Solution

The fourth proportional to 1,481,806.80, 2,044,893 and 802,743.12 is: 1,107,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,806.80 : 2,044,893 = 802,743.12 : x
  2. Step 2: Convert to fraction form
    1,481,806.80/2,044,893 = 802,743.12/x
  3. Step 3: Cross multiply
    1,481,806.80x = 2,044,893 × 802,743.12
  4. Step 4: Simplify right side
    1,481,806.80x = 1,641,523,786,886.16
  5. Step 5: Solve for x
    x = 1,641,523,786,886.16/1,481,806.80
  6. Step 6: Final answer
    x = 1,107,785.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.