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Finding the Fourth Proportional to 366,865.80, 550,298.70 and 323,563.20

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Solution

The fourth proportional to 366,865.80, 550,298.70 and 323,563.20 is: 485,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,865.80 : 550,298.70 = 323,563.20 : x
  2. Step 2: Convert to fraction form
    366,865.80/550,298.70 = 323,563.20/x
  3. Step 3: Cross multiply
    366,865.80x = 550,298.70 × 323,563.20
  4. Step 4: Simplify right side
    366,865.80x = 178,056,408,327.84
  5. Step 5: Solve for x
    x = 178,056,408,327.84/366,865.80
  6. Step 6: Final answer
    x = 485,344.80

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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.