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Finding the Fourth Proportional to 328,778.83, 453,570.60 and 192,743.92

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Solution

The fourth proportional to 328,778.83, 453,570.60 and 192,743.92 is: 265,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,778.83 : 453,570.60 = 192,743.92 : x
  2. Step 2: Convert to fraction form
    328,778.83/453,570.60 = 192,743.92/x
  3. Step 3: Cross multiply
    328,778.83x = 453,570.60 × 192,743.92
  4. Step 4: Simplify right side
    328,778.83x = 87,422,975,440.75
  5. Step 5: Solve for x
    x = 87,422,975,440.75/328,778.83
  6. Step 6: Final answer
    x = 265,902.08

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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.