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Finding the Fourth Proportional to 404,154.57, 606,334.83 and 119,855.49

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Solution

The fourth proportional to 404,154.57, 606,334.83 and 119,855.49 is: 179,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,154.57 : 606,334.83 = 119,855.49 : x
  2. Step 2: Convert to fraction form
    404,154.57/606,334.83 = 119,855.49/x
  3. Step 3: Cross multiply
    404,154.57x = 606,334.83 × 119,855.49
  4. Step 4: Simplify right side
    404,154.57x = 72,672,558,153.72
  5. Step 5: Solve for x
    x = 72,672,558,153.72/404,154.57
  6. Step 6: Final answer
    x = 179,813.77

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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.