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Finding the Fourth Proportional to 264,359.52, 396,189.36 and 193,908.96

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Solution

The fourth proportional to 264,359.52, 396,189.36 and 193,908.96 is: 290,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,359.52 : 396,189.36 = 193,908.96 : x
  2. Step 2: Convert to fraction form
    264,359.52/396,189.36 = 193,908.96/x
  3. Step 3: Cross multiply
    264,359.52x = 396,189.36 × 193,908.96
  4. Step 4: Simplify right side
    264,359.52x = 76,824,666,760.67
  5. Step 5: Solve for x
    x = 76,824,666,760.67/264,359.52
  6. Step 6: Final answer
    x = 290,606.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.