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Finding the Fourth Proportional to 244,916.80, 367,375.20 and 213,812.80

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Solution

The fourth proportional to 244,916.80, 367,375.20 and 213,812.80 is: 320,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,916.80 : 367,375.20 = 213,812.80 : x
  2. Step 2: Convert to fraction form
    244,916.80/367,375.20 = 213,812.80/x
  3. Step 3: Cross multiply
    244,916.80x = 367,375.20 × 213,812.80
  4. Step 4: Simplify right side
    244,916.80x = 78,549,520,162.56
  5. Step 5: Solve for x
    x = 78,549,520,162.56/244,916.80
  6. Step 6: Final answer
    x = 320,719.20

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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.