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Finding the Fourth Proportional to 488,076.93, 673,198.97 and 447,920.37

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Solution

The fourth proportional to 488,076.93, 673,198.97 and 447,920.37 is: 617,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,076.93 : 673,198.97 = 447,920.37 : x
  2. Step 2: Convert to fraction form
    488,076.93/673,198.97 = 447,920.37/x
  3. Step 3: Cross multiply
    488,076.93x = 673,198.97 × 447,920.37
  4. Step 4: Simplify right side
    488,076.93x = 301,539,529,486.42
  5. Step 5: Solve for x
    x = 301,539,529,486.42/488,076.93
  6. Step 6: Final answer
    x = 617,811.48

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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.