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Finding the Fourth Proportional to 599,623.97, 899,179.90 and 347,078.77

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Solution

The fourth proportional to 599,623.97, 899,179.90 and 347,078.77 is: 520,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,623.97 : 899,179.90 = 347,078.77 : x
  2. Step 2: Convert to fraction form
    599,623.97/899,179.90 = 347,078.77/x
  3. Step 3: Cross multiply
    599,623.97x = 899,179.90 × 347,078.77
  4. Step 4: Simplify right side
    599,623.97x = 312,086,250,585.08
  5. Step 5: Solve for x
    x = 312,086,250,585.08/599,623.97
  6. Step 6: Final answer
    x = 520,469.94

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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.