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Finding the Fourth Proportional to 328,796.13, 453,745.89 and 181,620.66

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Solution

The fourth proportional to 328,796.13, 453,745.89 and 181,620.66 is: 250,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,796.13 : 453,745.89 = 181,620.66 : x
  2. Step 2: Convert to fraction form
    328,796.13/453,745.89 = 181,620.66/x
  3. Step 3: Cross multiply
    328,796.13x = 453,745.89 × 181,620.66
  4. Step 4: Simplify right side
    328,796.13x = 82,409,628,014.09
  5. Step 5: Solve for x
    x = 82,409,628,014.09/328,796.13
  6. Step 6: Final answer
    x = 250,640.50

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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.