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Finding the Fourth Proportional to 366,952.20, 550,428.30 and 331,522.80

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Solution

The fourth proportional to 366,952.20, 550,428.30 and 331,522.80 is: 497,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,952.20 : 550,428.30 = 331,522.80 : x
  2. Step 2: Convert to fraction form
    366,952.20/550,428.30 = 331,522.80/x
  3. Step 3: Cross multiply
    366,952.20x = 550,428.30 × 331,522.80
  4. Step 4: Simplify right side
    366,952.20x = 182,479,531,215.24
  5. Step 5: Solve for x
    x = 182,479,531,215.24/366,952.20
  6. Step 6: Final answer
    x = 497,284.20

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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.