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Finding the Fourth Proportional to 643,194.88, 964,594.86 and 444,790.24

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Solution

The fourth proportional to 643,194.88, 964,594.86 and 444,790.24 is: 667,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,194.88 : 964,594.86 = 444,790.24 : x
  2. Step 2: Convert to fraction form
    643,194.88/964,594.86 = 444,790.24/x
  3. Step 3: Cross multiply
    643,194.88x = 964,594.86 × 444,790.24
  4. Step 4: Simplify right side
    643,194.88x = 429,042,379,282.17
  5. Step 5: Solve for x
    x = 429,042,379,282.17/643,194.88
  6. Step 6: Final answer
    x = 667,048.81

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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.