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Finding the Fourth Proportional to 447,380.70, 617,385.34 and 246,176.70

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Solution

The fourth proportional to 447,380.70, 617,385.34 and 246,176.70 is: 339,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,380.70 : 617,385.34 = 246,176.70 : x
  2. Step 2: Convert to fraction form
    447,380.70/617,385.34 = 246,176.70/x
  3. Step 3: Cross multiply
    447,380.70x = 617,385.34 × 246,176.70
  4. Step 4: Simplify right side
    447,380.70x = 151,985,885,629.58
  5. Step 5: Solve for x
    x = 151,985,885,629.58/447,380.70
  6. Step 6: Final answer
    x = 339,723.83

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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.