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Finding the Fourth Proportional to 547,954.39, 821,997.46 and 192,894.67

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Solution

The fourth proportional to 547,954.39, 821,997.46 and 192,894.67 is: 289,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,954.39 : 821,997.46 = 192,894.67 : x
  2. Step 2: Convert to fraction form
    547,954.39/821,997.46 = 192,894.67/x
  3. Step 3: Cross multiply
    547,954.39x = 821,997.46 × 192,894.67
  4. Step 4: Simplify right side
    547,954.39x = 158,558,924,677.55
  5. Step 5: Solve for x
    x = 158,558,924,677.55/547,954.39
  6. Step 6: Final answer
    x = 289,365.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.