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Finding the Fourth Proportional to 624,515.44, 936,666.60 and 225,076.72

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Solution

The fourth proportional to 624,515.44, 936,666.60 and 225,076.72 is: 337,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,515.44 : 936,666.60 = 225,076.72 : x
  2. Step 2: Convert to fraction form
    624,515.44/936,666.60 = 225,076.72/x
  3. Step 3: Cross multiply
    624,515.44x = 936,666.60 × 225,076.72
  4. Step 4: Simplify right side
    624,515.44x = 210,821,846,061.55
  5. Step 5: Solve for x
    x = 210,821,846,061.55/624,515.44
  6. Step 6: Final answer
    x = 337,576.68

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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.