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Finding the Fourth Proportional to 322,077.56, 480,947.44 and 263,030.36

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Solution

The fourth proportional to 322,077.56, 480,947.44 and 263,030.36 is: 392,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,077.56 : 480,947.44 = 263,030.36 : x
  2. Step 2: Convert to fraction form
    322,077.56/480,947.44 = 263,030.36/x
  3. Step 3: Cross multiply
    322,077.56x = 480,947.44 × 263,030.36
  4. Step 4: Simplify right side
    322,077.56x = 126,503,775,221.97
  5. Step 5: Solve for x
    x = 126,503,775,221.97/322,077.56
  6. Step 6: Final answer
    x = 392,774.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.