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Finding the Fourth Proportional to 447,735.75, 617,886.41 and 243,797.85

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Solution

The fourth proportional to 447,735.75, 617,886.41 and 243,797.85 is: 336,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,735.75 : 617,886.41 = 243,797.85 : x
  2. Step 2: Convert to fraction form
    447,735.75/617,886.41 = 243,797.85/x
  3. Step 3: Cross multiply
    447,735.75x = 617,886.41 × 243,797.85
  4. Step 4: Simplify right side
    447,735.75x = 150,639,378,302.22
  5. Step 5: Solve for x
    x = 150,639,378,302.22/447,735.75
  6. Step 6: Final answer
    x = 336,447.06

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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.