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Finding the Fourth Proportional to 324,686.88, 448,076.64 and 181,462.56

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Solution

The fourth proportional to 324,686.88, 448,076.64 and 181,462.56 is: 250,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,686.88 : 448,076.64 = 181,462.56 : x
  2. Step 2: Convert to fraction form
    324,686.88/448,076.64 = 181,462.56/x
  3. Step 3: Cross multiply
    324,686.88x = 448,076.64 × 181,462.56
  4. Step 4: Simplify right side
    324,686.88x = 81,309,134,170.60
  5. Step 5: Solve for x
    x = 81,309,134,170.60/324,686.88
  6. Step 6: Final answer
    x = 250,423.22

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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.