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Finding the Fourth Proportional to 324,018.33, 447,166.79 and 180,781.48

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Solution

The fourth proportional to 324,018.33, 447,166.79 and 180,781.48 is: 249,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,018.33 : 447,166.79 = 180,781.48 : x
  2. Step 2: Convert to fraction form
    324,018.33/447,166.79 = 180,781.48/x
  3. Step 3: Cross multiply
    324,018.33x = 447,166.79 × 180,781.48
  4. Step 4: Simplify right side
    324,018.33x = 80,839,474,103.05
  5. Step 5: Solve for x
    x = 80,839,474,103.05/324,018.33
  6. Step 6: Final answer
    x = 249,490.44

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1.5x scale

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.