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Finding the Fourth Proportional to 326,327.78, 450,379.24 and 181,166.88

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Solution

The fourth proportional to 326,327.78, 450,379.24 and 181,166.88 is: 250,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,327.78 : 450,379.24 = 181,166.88 : x
  2. Step 2: Convert to fraction form
    326,327.78/450,379.24 = 181,166.88/x
  3. Step 3: Cross multiply
    326,327.78x = 450,379.24 × 181,166.88
  4. Step 4: Simplify right side
    326,327.78x = 81,593,801,727.57
  5. Step 5: Solve for x
    x = 81,593,801,727.57/326,327.78
  6. Step 6: Final answer
    x = 250,036.33

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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.