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Finding the Fourth Proportional to 366,839.80, 550,259.70 and 323,537.20

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Solution

The fourth proportional to 366,839.80, 550,259.70 and 323,537.20 is: 485,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,839.80 : 550,259.70 = 323,537.20 : x
  2. Step 2: Convert to fraction form
    366,839.80/550,259.70 = 323,537.20/x
  3. Step 3: Cross multiply
    366,839.80x = 550,259.70 × 323,537.20
  4. Step 4: Simplify right side
    366,839.80x = 178,029,482,610.84
  5. Step 5: Solve for x
    x = 178,029,482,610.84/366,839.80
  6. Step 6: Final answer
    x = 485,305.80

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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.