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Finding the Fourth Proportional to 447,609.50, 617,701.11 and 246,405.50

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Solution

The fourth proportional to 447,609.50, 617,701.11 and 246,405.50 is: 340,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,609.50 : 617,701.11 = 246,405.50 : x
  2. Step 2: Convert to fraction form
    447,609.50/617,701.11 = 246,405.50/x
  3. Step 3: Cross multiply
    447,609.50x = 617,701.11 × 246,405.50
  4. Step 4: Simplify right side
    447,609.50x = 152,204,950,860.11
  5. Step 5: Solve for x
    x = 152,204,950,860.11/447,609.50
  6. Step 6: Final answer
    x = 340,039.59

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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.