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Finding the Fourth Proportional to 366,926.20, 550,389.30 and 254,951.80

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Solution

The fourth proportional to 366,926.20, 550,389.30 and 254,951.80 is: 382,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926.20 : 550,389.30 = 254,951.80 : x
  2. Step 2: Convert to fraction form
    366,926.20/550,389.30 = 254,951.80/x
  3. Step 3: Cross multiply
    366,926.20x = 550,389.30 × 254,951.80
  4. Step 4: Simplify right side
    366,926.20x = 140,322,742,735.74
  5. Step 5: Solve for x
    x = 140,322,742,735.74/366,926.20
  6. Step 6: Final answer
    x = 382,427.70

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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.