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Finding the Fourth Proportional to 324,274.82, 447,480.56 and 181,043.96

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Solution

The fourth proportional to 324,274.82, 447,480.56 and 181,043.96 is: 249,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,274.82 : 447,480.56 = 181,043.96 : x
  2. Step 2: Convert to fraction form
    324,274.82/447,480.56 = 181,043.96/x
  3. Step 3: Cross multiply
    324,274.82x = 447,480.56 × 181,043.96
  4. Step 4: Simplify right side
    324,274.82x = 81,013,652,605.42
  5. Step 5: Solve for x
    x = 81,013,652,605.42/324,274.82
  6. Step 6: Final answer
    x = 249,830.23

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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.