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Finding the Fourth Proportional to 328,194.06, 452,992.06 and 213,757.86

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Solution

The fourth proportional to 328,194.06, 452,992.06 and 213,757.86 is: 295,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,194.06 : 452,992.06 = 213,757.86 : x
  2. Step 2: Convert to fraction form
    328,194.06/452,992.06 = 213,757.86/x
  3. Step 3: Cross multiply
    328,194.06x = 452,992.06 × 213,757.86
  4. Step 4: Simplify right side
    328,194.06x = 96,830,613,342.59
  5. Step 5: Solve for x
    x = 96,830,613,342.59/328,194.06
  6. Step 6: Final answer
    x = 295,040.72

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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.