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Finding the Fourth Proportional to 453,144.62, 679,672.94 and 137,604.26

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Solution

The fourth proportional to 453,144.62, 679,672.94 and 137,604.26 is: 206,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,144.62 : 679,672.94 = 137,604.26 : x
  2. Step 2: Convert to fraction form
    453,144.62/679,672.94 = 137,604.26/x
  3. Step 3: Cross multiply
    453,144.62x = 679,672.94 × 137,604.26
  4. Step 4: Simplify right side
    453,144.62x = 93,525,891,950.72
  5. Step 5: Solve for x
    x = 93,525,891,950.72/453,144.62
  6. Step 6: Final answer
    x = 206,393.03

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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.