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Finding the Fourth Proportional to 273,892.80, 410,839.20 and 227,812.80

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Solution

The fourth proportional to 273,892.80, 410,839.20 and 227,812.80 is: 341,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,892.80 : 410,839.20 = 227,812.80 : x
  2. Step 2: Convert to fraction form
    273,892.80/410,839.20 = 227,812.80/x
  3. Step 3: Cross multiply
    273,892.80x = 410,839.20 × 227,812.80
  4. Step 4: Simplify right side
    273,892.80x = 93,594,428,501.76
  5. Step 5: Solve for x
    x = 93,594,428,501.76/273,892.80
  6. Step 6: Final answer
    x = 341,719.20

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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.