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Finding the Fourth Proportional to 496,187.71, 744,527.49 and 196,661.65

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Solution

The fourth proportional to 496,187.71, 744,527.49 and 196,661.65 is: 295,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,187.71 : 744,527.49 = 196,661.65 : x
  2. Step 2: Convert to fraction form
    496,187.71/744,527.49 = 196,661.65/x
  3. Step 3: Cross multiply
    496,187.71x = 744,527.49 × 196,661.65
  4. Step 4: Simplify right side
    496,187.71x = 146,420,004,653.76
  5. Step 5: Solve for x
    x = 146,420,004,653.76/496,187.71
  6. Step 6: Final answer
    x = 295,089.95

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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.