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Finding the Fourth Proportional to 414,469.66, 621,704.45 and 114,950.23

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Solution

The fourth proportional to 414,469.66, 621,704.45 and 114,950.23 is: 172,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,469.66 : 621,704.45 = 114,950.23 : x
  2. Step 2: Convert to fraction form
    414,469.66/621,704.45 = 114,950.23/x
  3. Step 3: Cross multiply
    414,469.66x = 621,704.45 × 114,950.23
  4. Step 4: Simplify right side
    414,469.66x = 71,465,069,519.52
  5. Step 5: Solve for x
    x = 71,465,069,519.52/414,469.66
  6. Step 6: Final answer
    x = 172,425.33

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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.