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Finding the Fourth Proportional to 606,809.70, 910,323.90 and 251,859.60

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Solution

The fourth proportional to 606,809.70, 910,323.90 and 251,859.60 is: 377,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,809.70 : 910,323.90 = 251,859.60 : x
  2. Step 2: Convert to fraction form
    606,809.70/910,323.90 = 251,859.60/x
  3. Step 3: Cross multiply
    606,809.70x = 910,323.90 × 251,859.60
  4. Step 4: Simplify right side
    606,809.70x = 229,273,813,324.44
  5. Step 5: Solve for x
    x = 229,273,813,324.44/606,809.70
  6. Step 6: Final answer
    x = 377,834.79

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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.