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Finding the Fourth Proportional to 273,340.80, 410,011.20 and 271,497.60

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Solution

The fourth proportional to 273,340.80, 410,011.20 and 271,497.60 is: 407,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,340.80 : 410,011.20 = 271,497.60 : x
  2. Step 2: Convert to fraction form
    273,340.80/410,011.20 = 271,497.60/x
  3. Step 3: Cross multiply
    273,340.80x = 410,011.20 × 271,497.60
  4. Step 4: Simplify right side
    273,340.80x = 111,317,056,773.12
  5. Step 5: Solve for x
    x = 111,317,056,773.12/273,340.80
  6. Step 6: Final answer
    x = 407,246.40

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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.