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Finding the Fourth Proportional to 641,193.37, 957,054.64 and 565,550.71

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Solution

The fourth proportional to 641,193.37, 957,054.64 and 565,550.71 is: 844,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,193.37 : 957,054.64 = 565,550.71 : x
  2. Step 2: Convert to fraction form
    641,193.37/957,054.64 = 565,550.71/x
  3. Step 3: Cross multiply
    641,193.37x = 957,054.64 × 565,550.71
  4. Step 4: Simplify right side
    641,193.37x = 541,262,928,414.69
  5. Step 5: Solve for x
    x = 541,262,928,414.69/641,193.37
  6. Step 6: Final answer
    x = 844,149.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.