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Finding the Fourth Proportional to 453,843.27, 680,838.79 and 134,027.49

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Solution

The fourth proportional to 453,843.27, 680,838.79 and 134,027.49 is: 201,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,843.27 : 680,838.79 = 134,027.49 : x
  2. Step 2: Convert to fraction form
    453,843.27/680,838.79 = 134,027.49/x
  3. Step 3: Cross multiply
    453,843.27x = 680,838.79 × 134,027.49
  4. Step 4: Simplify right side
    453,843.27x = 91,251,114,118.34
  5. Step 5: Solve for x
    x = 91,251,114,118.34/453,843.27
  6. Step 6: Final answer
    x = 201,063.05

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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.