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Finding the Fourth Proportional to 404,732.53, 606,992.97 and 120,346.49

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Solution

The fourth proportional to 404,732.53, 606,992.97 and 120,346.49 is: 180,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,732.53 : 606,992.97 = 120,346.49 : x
  2. Step 2: Convert to fraction form
    404,732.53/606,992.97 = 120,346.49/x
  3. Step 3: Cross multiply
    404,732.53x = 606,992.97 × 120,346.49
  4. Step 4: Simplify right side
    404,732.53x = 73,049,475,362.96
  5. Step 5: Solve for x
    x = 73,049,475,362.96/404,732.53
  6. Step 6: Final answer
    x = 180,488.27

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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.