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Finding the Fourth Proportional to 452,540.39, 678,800.07 and 227,840.49

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Solution

The fourth proportional to 452,540.39, 678,800.07 and 227,840.49 is: 341,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,540.39 : 678,800.07 = 227,840.49 : x
  2. Step 2: Convert to fraction form
    452,540.39/678,800.07 = 227,840.49/x
  3. Step 3: Cross multiply
    452,540.39x = 678,800.07 × 227,840.49
  4. Step 4: Simplify right side
    452,540.39x = 154,658,140,560.83
  5. Step 5: Solve for x
    x = 154,658,140,560.83/452,540.39
  6. Step 6: Final answer
    x = 341,755.44

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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.