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Finding the Fourth Proportional to 482,961.80, 677,546.20 and 482,961.80

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Solution

The fourth proportional to 482,961.80, 677,546.20 and 482,961.80 is: 677,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,961.80 : 677,546.20 = 482,961.80 : x
  2. Step 2: Convert to fraction form
    482,961.80/677,546.20 = 482,961.80/x
  3. Step 3: Cross multiply
    482,961.80x = 677,546.20 × 482,961.80
  4. Step 4: Simplify right side
    482,961.80x = 327,228,932,335.16
  5. Step 5: Solve for x
    x = 327,228,932,335.16/482,961.80
  6. Step 6: Final answer
    x = 677,546.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.