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Finding the Fourth Proportional to 324,406.16, 447,687.22 and 181,166.34

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Solution

The fourth proportional to 324,406.16, 447,687.22 and 181,166.34 is: 250,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,406.16 : 447,687.22 = 181,166.34 : x
  2. Step 2: Convert to fraction form
    324,406.16/447,687.22 = 181,166.34/x
  3. Step 3: Cross multiply
    324,406.16x = 447,687.22 × 181,166.34
  4. Step 4: Simplify right side
    324,406.16x = 81,105,855,112.17
  5. Step 5: Solve for x
    x = 81,105,855,112.17/324,406.16
  6. Step 6: Final answer
    x = 250,013.30

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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.