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Finding the Fourth Proportional to 980,407.82, 1,352,995.61 and 544,843.52

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Solution

The fourth proportional to 980,407.82, 1,352,995.61 and 544,843.52 is: 751,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,407.82 : 1,352,995.61 = 544,843.52 : x
  2. Step 2: Convert to fraction form
    980,407.82/1,352,995.61 = 544,843.52/x
  3. Step 3: Cross multiply
    980,407.82x = 1,352,995.61 × 544,843.52
  4. Step 4: Simplify right side
    980,407.82x = 737,170,881,207.75
  5. Step 5: Solve for x
    x = 737,170,881,207.75/980,407.82
  6. Step 6: Final answer
    x = 751,902.29

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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.