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Finding the Fourth Proportional to 499,900.80, 749,928.97 and 162,863.00

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Solution

The fourth proportional to 499,900.80, 749,928.97 and 162,863.00 is: 244,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,900.80 : 749,928.97 = 162,863.00 : x
  2. Step 2: Convert to fraction form
    499,900.80/749,928.97 = 162,863.00/x
  3. Step 3: Cross multiply
    499,900.80x = 749,928.97 × 162,863.00
  4. Step 4: Simplify right side
    499,900.80x = 122,135,681,107.28
  5. Step 5: Solve for x
    x = 122,135,681,107.28/499,900.80
  6. Step 6: Final answer
    x = 244,319.83

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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.