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Finding the Fourth Proportional to 447,379.69, 617,383.97 and 246,175.69

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Solution

The fourth proportional to 447,379.69, 617,383.97 and 246,175.69 is: 339,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,379.69 : 617,383.97 = 246,175.69 : x
  2. Step 2: Convert to fraction form
    447,379.69/617,383.97 = 246,175.69/x
  3. Step 3: Cross multiply
    447,379.69x = 617,383.97 × 246,175.69
  4. Step 4: Simplify right side
    447,379.69x = 151,984,923,881.67
  5. Step 5: Solve for x
    x = 151,984,923,881.67/447,379.69
  6. Step 6: Final answer
    x = 339,722.45

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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.