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Finding the Fourth Proportional to 324,391.22, 447,660.84 and 181,156.69

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Solution

The fourth proportional to 324,391.22, 447,660.84 and 181,156.69 is: 249,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,391.22 : 447,660.84 = 181,156.69 : x
  2. Step 2: Convert to fraction form
    324,391.22/447,660.84 = 181,156.69/x
  3. Step 3: Cross multiply
    324,391.22x = 447,660.84 × 181,156.69
  4. Step 4: Simplify right side
    324,391.22x = 81,096,756,017.02
  5. Step 5: Solve for x
    x = 81,096,756,017.02/324,391.22
  6. Step 6: Final answer
    x = 249,996.77

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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.