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Finding the Fourth Proportional to 453,374.92, 680,010.54 and 120,976.84

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Solution

The fourth proportional to 453,374.92, 680,010.54 and 120,976.84 is: 181,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,374.92 : 680,010.54 = 120,976.84 : x
  2. Step 2: Convert to fraction form
    453,374.92/680,010.54 = 120,976.84/x
  3. Step 3: Cross multiply
    453,374.92x = 680,010.54 × 120,976.84
  4. Step 4: Simplify right side
    453,374.92x = 82,265,526,295.89
  5. Step 5: Solve for x
    x = 82,265,526,295.89/453,374.92
  6. Step 6: Final answer
    x = 181,451.43

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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.