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Finding the Fourth Proportional to 496,960.94, 748,760.85 and 449,636.69

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Solution

The fourth proportional to 496,960.94, 748,760.85 and 449,636.69 is: 677,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,960.94 : 748,760.85 = 449,636.69 : x
  2. Step 2: Convert to fraction form
    496,960.94/748,760.85 = 449,636.69/x
  3. Step 3: Cross multiply
    496,960.94x = 748,760.85 × 449,636.69
  4. Step 4: Simplify right side
    496,960.94x = 336,670,350,195.59
  5. Step 5: Solve for x
    x = 336,670,350,195.59/496,960.94
  6. Step 6: Final answer
    x = 677,458.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.