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Finding the Fourth Proportional to 603,978.92, 903,996.99 and 444,012.51

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Solution

The fourth proportional to 603,978.92, 903,996.99 and 444,012.51 is: 664,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,978.92 : 903,996.99 = 444,012.51 : x
  2. Step 2: Convert to fraction form
    603,978.92/903,996.99 = 444,012.51/x
  3. Step 3: Cross multiply
    603,978.92x = 903,996.99 × 444,012.51
  4. Step 4: Simplify right side
    603,978.92x = 401,385,969,618.57
  5. Step 5: Solve for x
    x = 401,385,969,618.57/603,978.92
  6. Step 6: Final answer
    x = 664,569.50

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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.