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Finding the Fourth Proportional to 961,006, 1,324,550.66 and 879,558.16

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Solution

The fourth proportional to 961,006, 1,324,550.66 and 879,558.16 is: 1,212,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,006 : 1,324,550.66 = 879,558.16 : x
  2. Step 2: Convert to fraction form
    961,006/1,324,550.66 = 879,558.16/x
  3. Step 3: Cross multiply
    961,006x = 1,324,550.66 × 879,558.16
  4. Step 4: Simplify right side
    961,006x = 1,165,019,341,336.39
  5. Step 5: Solve for x
    x = 1,165,019,341,336.39/961,006
  6. Step 6: Final answer
    x = 1,212,291.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.