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Finding the Fourth Proportional to 326,935.88, 451,086.88 and 190,950.96

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Solution

The fourth proportional to 326,935.88, 451,086.88 and 190,950.96 is: 263,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,935.88 : 451,086.88 = 190,950.96 : x
  2. Step 2: Convert to fraction form
    326,935.88/451,086.88 = 190,950.96/x
  3. Step 3: Cross multiply
    326,935.88x = 451,086.88 × 190,950.96
  4. Step 4: Simplify right side
    326,935.88x = 86,135,471,824.65
  5. Step 5: Solve for x
    x = 86,135,471,824.65/326,935.88
  6. Step 6: Final answer
    x = 263,462.89

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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.