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Finding the Fourth Proportional to 366,855.20, 550,282.80 and 252,693.80

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Solution

The fourth proportional to 366,855.20, 550,282.80 and 252,693.80 is: 379,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,855.20 : 550,282.80 = 252,693.80 : x
  2. Step 2: Convert to fraction form
    366,855.20/550,282.80 = 252,693.80/x
  3. Step 3: Cross multiply
    366,855.20x = 550,282.80 × 252,693.80
  4. Step 4: Simplify right side
    366,855.20x = 139,053,051,806.64
  5. Step 5: Solve for x
    x = 139,053,051,806.64/366,855.20
  6. Step 6: Final answer
    x = 379,040.70

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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.