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Finding the Fourth Proportional to 447,636.14, 618,292.81 and 324,932.82

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Solution

The fourth proportional to 447,636.14, 618,292.81 and 324,932.82 is: 448,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,636.14 : 618,292.81 = 324,932.82 : x
  2. Step 2: Convert to fraction form
    447,636.14/618,292.81 = 324,932.82/x
  3. Step 3: Cross multiply
    447,636.14x = 618,292.81 × 324,932.82
  4. Step 4: Simplify right side
    447,636.14x = 200,903,624,426.59
  5. Step 5: Solve for x
    x = 200,903,624,426.59/447,636.14
  6. Step 6: Final answer
    x = 448,810.11

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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.