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Finding the Fourth Proportional to 447,425.82, 617,447.73 and 246,221.82

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Solution

The fourth proportional to 447,425.82, 617,447.73 and 246,221.82 is: 339,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,425.82 : 617,447.73 = 246,221.82 : x
  2. Step 2: Convert to fraction form
    447,425.82/617,447.73 = 246,221.82/x
  3. Step 3: Cross multiply
    447,425.82x = 617,447.73 × 246,221.82
  4. Step 4: Simplify right side
    447,425.82x = 152,029,103,835.47
  5. Step 5: Solve for x
    x = 152,029,103,835.47/447,425.82
  6. Step 6: Final answer
    x = 339,786.17

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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.