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Finding the Fourth Proportional to 274,290.60, 411,435.90 and 227,634.60

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Solution

The fourth proportional to 274,290.60, 411,435.90 and 227,634.60 is: 341,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,290.60 : 411,435.90 = 227,634.60 : x
  2. Step 2: Convert to fraction form
    274,290.60/411,435.90 = 227,634.60/x
  3. Step 3: Cross multiply
    274,290.60x = 411,435.90 × 227,634.60
  4. Step 4: Simplify right side
    274,290.60x = 93,657,046,522.14
  5. Step 5: Solve for x
    x = 93,657,046,522.14/274,290.60
  6. Step 6: Final answer
    x = 341,451.90

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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.