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Finding the Fourth Proportional to 1,896,801.84, 2,845,199.52 and 885,584.88

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Solution

The fourth proportional to 1,896,801.84, 2,845,199.52 and 885,584.88 is: 1,328,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,801.84 : 2,845,199.52 = 885,584.88 : x
  2. Step 2: Convert to fraction form
    1,896,801.84/2,845,199.52 = 885,584.88/x
  3. Step 3: Cross multiply
    1,896,801.84x = 2,845,199.52 × 885,584.88
  4. Step 4: Simplify right side
    1,896,801.84x = 2,519,665,675,495.26
  5. Step 5: Solve for x
    x = 2,519,665,675,495.26/1,896,801.84
  6. Step 6: Final answer
    x = 1,328,375.81

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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.