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Finding the Fourth Proportional to 324,903.40, 448,363.62 and 181,661.80

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Solution

The fourth proportional to 324,903.40, 448,363.62 and 181,661.80 is: 250,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,903.40 : 448,363.62 = 181,661.80 : x
  2. Step 2: Convert to fraction form
    324,903.40/448,363.62 = 181,661.80/x
  3. Step 3: Cross multiply
    324,903.40x = 448,363.62 × 181,661.80
  4. Step 4: Simplify right side
    324,903.40x = 81,450,542,263.72
  5. Step 5: Solve for x
    x = 81,450,542,263.72/324,903.40
  6. Step 6: Final answer
    x = 250,691.57

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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.