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Finding the Fourth Proportional to 324,685.14, 448,057.76 and 181,472.90

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Solution

The fourth proportional to 324,685.14, 448,057.76 and 181,472.90 is: 250,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,685.14 : 448,057.76 = 181,472.90 : x
  2. Step 2: Convert to fraction form
    324,685.14/448,057.76 = 181,472.90/x
  3. Step 3: Cross multiply
    324,685.14x = 448,057.76 × 181,472.90
  4. Step 4: Simplify right side
    324,685.14x = 81,310,337,927.05
  5. Step 5: Solve for x
    x = 81,310,337,927.05/324,685.14
  6. Step 6: Final answer
    x = 250,428.27

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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.