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Finding the Fourth Proportional to 322,490.80, 483,604.98 and 144,950.14

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Solution

The fourth proportional to 322,490.80, 483,604.98 and 144,950.14 is: 217,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,490.80 : 483,604.98 = 144,950.14 : x
  2. Step 2: Convert to fraction form
    322,490.80/483,604.98 = 144,950.14/x
  3. Step 3: Cross multiply
    322,490.80x = 483,604.98 × 144,950.14
  4. Step 4: Simplify right side
    322,490.80x = 70,098,609,555.70
  5. Step 5: Solve for x
    x = 70,098,609,555.70/322,490.80
  6. Step 6: Final answer
    x = 217,366.23

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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.