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Finding the Fourth Proportional to 547,733.70, 821,600.55 and 252,821.70

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Solution

The fourth proportional to 547,733.70, 821,600.55 and 252,821.70 is: 379,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,733.70 : 821,600.55 = 252,821.70 : x
  2. Step 2: Convert to fraction form
    547,733.70/821,600.55 = 252,821.70/x
  3. Step 3: Cross multiply
    547,733.70x = 821,600.55 × 252,821.70
  4. Step 4: Simplify right side
    547,733.70x = 207,718,447,771.94
  5. Step 5: Solve for x
    x = 207,718,447,771.94/547,733.70
  6. Step 6: Final answer
    x = 379,232.55

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Similar ratio
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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.