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Finding the Fourth Proportional to 750,978.14, 1,126,456.61 and 182,363.54

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Solution

The fourth proportional to 750,978.14, 1,126,456.61 and 182,363.54 is: 273,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,978.14 : 1,126,456.61 = 182,363.54 : x
  2. Step 2: Convert to fraction form
    750,978.14/1,126,456.61 = 182,363.54/x
  3. Step 3: Cross multiply
    750,978.14x = 1,126,456.61 × 182,363.54
  4. Step 4: Simplify right side
    750,978.14x = 205,424,608,511.90
  5. Step 5: Solve for x
    x = 205,424,608,511.90/750,978.14
  6. Step 6: Final answer
    x = 273,542.73

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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.