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Finding the Fourth Proportional to 366,872.40, 550,308.60 and 362,206.80

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Solution

The fourth proportional to 366,872.40, 550,308.60 and 362,206.80 is: 543,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,872.40 : 550,308.60 = 362,206.80 : x
  2. Step 2: Convert to fraction form
    366,872.40/550,308.60 = 362,206.80/x
  3. Step 3: Cross multiply
    366,872.40x = 550,308.60 × 362,206.80
  4. Step 4: Simplify right side
    366,872.40x = 199,325,517,018.48
  5. Step 5: Solve for x
    x = 199,325,517,018.48/366,872.40
  6. Step 6: Final answer
    x = 543,310.20

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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.