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Finding the Fourth Proportional to 447,612.80, 617,733.64 and 246,408.80

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Solution

The fourth proportional to 447,612.80, 617,733.64 and 246,408.80 is: 340,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,612.80 : 617,733.64 = 246,408.80 : x
  2. Step 2: Convert to fraction form
    447,612.80/617,733.64 = 246,408.80/x
  3. Step 3: Cross multiply
    447,612.80x = 617,733.64 × 246,408.80
  4. Step 4: Simplify right side
    447,612.80x = 152,215,004,952.03
  5. Step 5: Solve for x
    x = 152,215,004,952.03/447,612.80
  6. Step 6: Final answer
    x = 340,059.54

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1.5x scale

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.