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Finding the Fourth Proportional to 481,240.60, 664,053.30 and 277,357.48

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Solution

The fourth proportional to 481,240.60, 664,053.30 and 277,357.48 is: 382,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,240.60 : 664,053.30 = 277,357.48 : x
  2. Step 2: Convert to fraction form
    481,240.60/664,053.30 = 277,357.48/x
  3. Step 3: Cross multiply
    481,240.60x = 664,053.30 × 277,357.48
  4. Step 4: Simplify right side
    481,240.60x = 184,180,149,873.68
  5. Step 5: Solve for x
    x = 184,180,149,873.68/481,240.60
  6. Step 6: Final answer
    x = 382,719.48

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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.