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Finding the Fourth Proportional to 331,630.25, 497,550.51 and 118,393.52

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Solution

The fourth proportional to 331,630.25, 497,550.51 and 118,393.52 is: 177,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,630.25 : 497,550.51 = 118,393.52 : x
  2. Step 2: Convert to fraction form
    331,630.25/497,550.51 = 118,393.52/x
  3. Step 3: Cross multiply
    331,630.25x = 497,550.51 × 118,393.52
  4. Step 4: Simplify right side
    331,630.25x = 58,906,756,256.70
  5. Step 5: Solve for x
    x = 58,906,756,256.70/331,630.25
  6. Step 6: Final answer
    x = 177,627.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.