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Finding the Fourth Proportional to 322,002.95, 483,006.09 and 188,789.79

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Solution

The fourth proportional to 322,002.95, 483,006.09 and 188,789.79 is: 283,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,002.95 : 483,006.09 = 188,789.79 : x
  2. Step 2: Convert to fraction form
    322,002.95/483,006.09 = 188,789.79/x
  3. Step 3: Cross multiply
    322,002.95x = 483,006.09 × 188,789.79
  4. Step 4: Simplify right side
    322,002.95x = 91,186,617,040.20
  5. Step 5: Solve for x
    x = 91,186,617,040.20/322,002.95
  6. Step 6: Final answer
    x = 283,185.66

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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.