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Finding the Fourth Proportional to 326,840.67, 451,027.85 and 181,655.46

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Solution

The fourth proportional to 326,840.67, 451,027.85 and 181,655.46 is: 250,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,840.67 : 451,027.85 = 181,655.46 : x
  2. Step 2: Convert to fraction form
    326,840.67/451,027.85 = 181,655.46/x
  3. Step 3: Cross multiply
    326,840.67x = 451,027.85 × 181,655.46
  4. Step 4: Simplify right side
    326,840.67x = 81,931,670,656.28
  5. Step 5: Solve for x
    x = 81,931,670,656.28/326,840.67
  6. Step 6: Final answer
    x = 250,677.71

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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.