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Finding the Fourth Proportional to 451,892.80, 677,644.80 and 227,166.40

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Solution

The fourth proportional to 451,892.80, 677,644.80 and 227,166.40 is: 340,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,892.80 : 677,644.80 = 227,166.40 : x
  2. Step 2: Convert to fraction form
    451,892.80/677,644.80 = 227,166.40/x
  3. Step 3: Cross multiply
    451,892.80x = 677,644.80 × 227,166.40
  4. Step 4: Simplify right side
    451,892.80x = 153,938,129,694.72
  5. Step 5: Solve for x
    x = 153,938,129,694.72/451,892.80
  6. Step 6: Final answer
    x = 340,651.88

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1.5x scale

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.