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Finding the Fourth Proportional to 453,784.14, 680,676.21 and 121,351.50

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Solution

The fourth proportional to 453,784.14, 680,676.21 and 121,351.50 is: 182,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,784.14 : 680,676.21 = 121,351.50 : x
  2. Step 2: Convert to fraction form
    453,784.14/680,676.21 = 121,351.50/x
  3. Step 3: Cross multiply
    453,784.14x = 680,676.21 × 121,351.50
  4. Step 4: Simplify right side
    453,784.14x = 82,601,079,097.82
  5. Step 5: Solve for x
    x = 82,601,079,097.82/453,784.14
  6. Step 6: Final answer
    x = 182,027.25

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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.