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Finding the Fourth Proportional to 624,747.39, 937,121.21 and 225,388.03

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Solution

The fourth proportional to 624,747.39, 937,121.21 and 225,388.03 is: 338,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,747.39 : 937,121.21 = 225,388.03 : x
  2. Step 2: Convert to fraction form
    624,747.39/937,121.21 = 225,388.03/x
  3. Step 3: Cross multiply
    624,747.39x = 937,121.21 × 225,388.03
  4. Step 4: Simplify right side
    624,747.39x = 211,215,907,838.72
  5. Step 5: Solve for x
    x = 211,215,907,838.72/624,747.39
  6. Step 6: Final answer
    x = 338,082.10

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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.