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Finding the Fourth Proportional to 447,379.94, 617,384.32 and 246,175.94

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Solution

The fourth proportional to 447,379.94, 617,384.32 and 246,175.94 is: 339,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,379.94 : 617,384.32 = 246,175.94 : x
  2. Step 2: Convert to fraction form
    447,379.94/617,384.32 = 246,175.94/x
  3. Step 3: Cross multiply
    447,379.94x = 617,384.32 × 246,175.94
  4. Step 4: Simplify right side
    447,379.94x = 151,985,165,317.26
  5. Step 5: Solve for x
    x = 151,985,165,317.26/447,379.94
  6. Step 6: Final answer
    x = 339,722.80

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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.