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Finding the Fourth Proportional to 624,916, 937,180.41 and 225,505

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Solution

The fourth proportional to 624,916, 937,180.41 and 225,505 is: 338,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,916 : 937,180.41 = 225,505 : x
  2. Step 2: Convert to fraction form
    624,916/937,180.41 = 225,505/x
  3. Step 3: Cross multiply
    624,916x = 937,180.41 × 225,505
  4. Step 4: Simplify right side
    624,916x = 211,338,868,357.05
  5. Step 5: Solve for x
    x = 211,338,868,357.05/624,916
  6. Step 6: Final answer
    x = 338,187.64

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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.