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Finding the Fourth Proportional to 451,425.46, 677,359.84 and 181,542.70

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Solution

The fourth proportional to 451,425.46, 677,359.84 and 181,542.70 is: 272,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,425.46 : 677,359.84 = 181,542.70 : x
  2. Step 2: Convert to fraction form
    451,425.46/677,359.84 = 181,542.70/x
  3. Step 3: Cross multiply
    451,425.46x = 677,359.84 × 181,542.70
  4. Step 4: Simplify right side
    451,425.46x = 122,969,734,225.17
  5. Step 5: Solve for x
    x = 122,969,734,225.17/451,425.46
  6. Step 6: Final answer
    x = 272,403.19

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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.