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Finding the Fourth Proportional to 632,696.30, 873,120.87 and 346,216.41

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Solution

The fourth proportional to 632,696.30, 873,120.87 and 346,216.41 is: 477,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,696.30 : 873,120.87 = 346,216.41 : x
  2. Step 2: Convert to fraction form
    632,696.30/873,120.87 = 346,216.41/x
  3. Step 3: Cross multiply
    632,696.30x = 873,120.87 × 346,216.41
  4. Step 4: Simplify right side
    632,696.30x = 302,288,773,107.48
  5. Step 5: Solve for x
    x = 302,288,773,107.48/632,696.30
  6. Step 6: Final answer
    x = 477,778.63

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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.