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Finding the Fourth Proportional to 609,739.58, 914,441.70 and 254,694.71

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Solution

The fourth proportional to 609,739.58, 914,441.70 and 254,694.71 is: 381,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,739.58 : 914,441.70 = 254,694.71 : x
  2. Step 2: Convert to fraction form
    609,739.58/914,441.70 = 254,694.71/x
  3. Step 3: Cross multiply
    609,739.58x = 914,441.70 × 254,694.71
  4. Step 4: Simplify right side
    609,739.58x = 232,903,466,834.62
  5. Step 5: Solve for x
    x = 232,903,466,834.62/609,739.58
  6. Step 6: Final answer
    x = 381,972.03

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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.