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Finding the Fourth Proportional to 603,571.20, 903,801.60 and 444,940.80

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Solution

The fourth proportional to 603,571.20, 903,801.60 and 444,940.80 is: 666,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,571.20 : 903,801.60 = 444,940.80 : x
  2. Step 2: Convert to fraction form
    603,571.20/903,801.60 = 444,940.80/x
  3. Step 3: Cross multiply
    603,571.20x = 903,801.60 × 444,940.80
  4. Step 4: Simplify right side
    603,571.20x = 402,138,206,945.28
  5. Step 5: Solve for x
    x = 402,138,206,945.28/603,571.20
  6. Step 6: Final answer
    x = 666,264.74

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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.