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Finding the Fourth Proportional to 693,872.56, 957,704.16 and 451,733.50

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Solution

The fourth proportional to 693,872.56, 957,704.16 and 451,733.50 is: 623,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,872.56 : 957,704.16 = 451,733.50 : x
  2. Step 2: Convert to fraction form
    693,872.56/957,704.16 = 451,733.50/x
  3. Step 3: Cross multiply
    693,872.56x = 957,704.16 × 451,733.50
  4. Step 4: Simplify right side
    693,872.56x = 432,627,052,161.36
  5. Step 5: Solve for x
    x = 432,627,052,161.36/693,872.56
  6. Step 6: Final answer
    x = 623,496.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.