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Finding the Fourth Proportional to 274,374.80, 411,562.20 and 244,631.60

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Solution

The fourth proportional to 274,374.80, 411,562.20 and 244,631.60 is: 366,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,374.80 : 411,562.20 = 244,631.60 : x
  2. Step 2: Convert to fraction form
    274,374.80/411,562.20 = 244,631.60/x
  3. Step 3: Cross multiply
    274,374.80x = 411,562.20 × 244,631.60
  4. Step 4: Simplify right side
    274,374.80x = 100,681,119,485.52
  5. Step 5: Solve for x
    x = 100,681,119,485.52/274,374.80
  6. Step 6: Final answer
    x = 366,947.40

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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.