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Finding the Fourth Proportional to 477,593.75, 659,173.58 and 273,781.42

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Solution

The fourth proportional to 477,593.75, 659,173.58 and 273,781.42 is: 377,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,593.75 : 659,173.58 = 273,781.42 : x
  2. Step 2: Convert to fraction form
    477,593.75/659,173.58 = 273,781.42/x
  3. Step 3: Cross multiply
    477,593.75x = 659,173.58 × 273,781.42
  4. Step 4: Simplify right side
    477,593.75x = 180,469,476,768.72
  5. Step 5: Solve for x
    x = 180,469,476,768.72/477,593.75
  6. Step 6: Final answer
    x = 377,872.36

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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.