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Finding the Fourth Proportional to 449,187.84, 673,935.36 and 200,043.52

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Solution

The fourth proportional to 449,187.84, 673,935.36 and 200,043.52 is: 300,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,187.84 : 673,935.36 = 200,043.52 : x
  2. Step 2: Convert to fraction form
    449,187.84/673,935.36 = 200,043.52/x
  3. Step 3: Cross multiply
    449,187.84x = 673,935.36 × 200,043.52
  4. Step 4: Simplify right side
    449,187.84x = 134,816,401,666.87
  5. Step 5: Solve for x
    x = 134,816,401,666.87/449,187.84
  6. Step 6: Final answer
    x = 300,133.68

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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.