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Finding the Fourth Proportional to 453,761.20, 680,684.64 and 133,914.28

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Solution

The fourth proportional to 453,761.20, 680,684.64 and 133,914.28 is: 200,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,761.20 : 680,684.64 = 133,914.28 : x
  2. Step 2: Convert to fraction form
    453,761.20/680,684.64 = 133,914.28/x
  3. Step 3: Cross multiply
    453,761.20x = 680,684.64 × 133,914.28
  4. Step 4: Simplify right side
    453,761.20x = 91,153,393,472.66
  5. Step 5: Solve for x
    x = 91,153,393,472.66/453,761.20
  6. Step 6: Final answer
    x = 200,884.06

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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.