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Finding the Fourth Proportional to 632,725.63, 873,161.42 and 346,245.73

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Solution

The fourth proportional to 632,725.63, 873,161.42 and 346,245.73 is: 477,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,725.63 : 873,161.42 = 346,245.73 : x
  2. Step 2: Convert to fraction form
    632,725.63/873,161.42 = 346,245.73/x
  3. Step 3: Cross multiply
    632,725.63x = 873,161.42 × 346,245.73
  4. Step 4: Simplify right side
    632,725.63x = 302,328,413,275.74
  5. Step 5: Solve for x
    x = 302,328,413,275.74/632,725.63
  6. Step 6: Final answer
    x = 477,819.14

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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.