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Finding the Fourth Proportional to 961,394.22, 1,448,581.48 and 796,581.90

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Solution

The fourth proportional to 961,394.22, 1,448,581.48 and 796,581.90 is: 1,200,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,394.22 : 1,448,581.48 = 796,581.90 : x
  2. Step 2: Convert to fraction form
    961,394.22/1,448,581.48 = 796,581.90/x
  3. Step 3: Cross multiply
    961,394.22x = 1,448,581.48 × 796,581.90
  4. Step 4: Simplify right side
    961,394.22x = 1,153,913,787,643.21
  5. Step 5: Solve for x
    x = 1,153,913,787,643.21/961,394.22
  6. Step 6: Final answer
    x = 1,200,250.39

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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.