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Finding the Fourth Proportional to 755,616, 1,042,750.08 and 416,083.44

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Solution

The fourth proportional to 755,616, 1,042,750.08 and 416,083.44 is: 574,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,616 : 1,042,750.08 = 416,083.44 : x
  2. Step 2: Convert to fraction form
    755,616/1,042,750.08 = 416,083.44/x
  3. Step 3: Cross multiply
    755,616x = 1,042,750.08 × 416,083.44
  4. Step 4: Simplify right side
    755,616x = 433,871,040,346.68
  5. Step 5: Solve for x
    x = 433,871,040,346.68/755,616
  6. Step 6: Final answer
    x = 574,195.15

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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.