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Finding the Fourth Proportional to 451,468.80, 675,820.80 and 327,052.80

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Solution

The fourth proportional to 451,468.80, 675,820.80 and 327,052.80 is: 489,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,468.80 : 675,820.80 = 327,052.80 : x
  2. Step 2: Convert to fraction form
    451,468.80/675,820.80 = 327,052.80/x
  3. Step 3: Cross multiply
    451,468.80x = 675,820.80 × 327,052.80
  4. Step 4: Simplify right side
    451,468.80x = 221,029,084,938.24
  5. Step 5: Solve for x
    x = 221,029,084,938.24/451,468.80
  6. Step 6: Final answer
    x = 489,577.76

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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.