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Finding the Fourth Proportional to 447,629.94, 617,692.77 and 246,425.94

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Solution

The fourth proportional to 447,629.94, 617,692.77 and 246,425.94 is: 340,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,629.94 : 617,692.77 = 246,425.94 : x
  2. Step 2: Convert to fraction form
    447,629.94/617,692.77 = 246,425.94/x
  3. Step 3: Cross multiply
    447,629.94x = 617,692.77 × 246,425.94
  4. Step 4: Simplify right side
    447,629.94x = 152,215,521,478.45
  5. Step 5: Solve for x
    x = 152,215,521,478.45/447,629.94
  6. Step 6: Final answer
    x = 340,047.68

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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.