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Finding the Fourth Proportional to 519,546.29, 717,093.41 and 304,755.55

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Solution

The fourth proportional to 519,546.29, 717,093.41 and 304,755.55 is: 420,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,546.29 : 717,093.41 = 304,755.55 : x
  2. Step 2: Convert to fraction form
    519,546.29/717,093.41 = 304,755.55/x
  3. Step 3: Cross multiply
    519,546.29x = 717,093.41 × 304,755.55
  4. Step 4: Simplify right side
    519,546.29x = 218,538,193,249.41
  5. Step 5: Solve for x
    x = 218,538,193,249.41/519,546.29
  6. Step 6: Final answer
    x = 420,632.77

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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.