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Finding the Fourth Proportional to 453,601.08, 680,376.60 and 138,033.36

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Solution

The fourth proportional to 453,601.08, 680,376.60 and 138,033.36 is: 207,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,601.08 : 680,376.60 = 138,033.36 : x
  2. Step 2: Convert to fraction form
    453,601.08/680,376.60 = 138,033.36/x
  3. Step 3: Cross multiply
    453,601.08x = 680,376.60 × 138,033.36
  4. Step 4: Simplify right side
    453,601.08x = 93,914,668,163.38
  5. Step 5: Solve for x
    x = 93,914,668,163.38/453,601.08
  6. Step 6: Final answer
    x = 207,042.43

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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.