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Finding the Fourth Proportional to 453,989.26, 680,589.33 and 229,162.42

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Solution

The fourth proportional to 453,989.26, 680,589.33 and 229,162.42 is: 343,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,989.26 : 680,589.33 = 229,162.42 : x
  2. Step 2: Convert to fraction form
    453,989.26/680,589.33 = 229,162.42/x
  3. Step 3: Cross multiply
    453,989.26x = 680,589.33 × 229,162.42
  4. Step 4: Simplify right side
    453,989.26x = 155,965,497,888.98
  5. Step 5: Solve for x
    x = 155,965,497,888.98/453,989.26
  6. Step 6: Final answer
    x = 343,544.47

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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.