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Finding the Fourth Proportional to 366,962.20, 550,443.30 and 331,532.80

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Solution

The fourth proportional to 366,962.20, 550,443.30 and 331,532.80 is: 497,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,962.20 : 550,443.30 = 331,532.80 : x
  2. Step 2: Convert to fraction form
    366,962.20/550,443.30 = 331,532.80/x
  3. Step 3: Cross multiply
    366,962.20x = 550,443.30 × 331,532.80
  4. Step 4: Simplify right side
    366,962.20x = 182,490,008,490.24
  5. Step 5: Solve for x
    x = 182,490,008,490.24/366,962.20
  6. Step 6: Final answer
    x = 497,299.20

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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.