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Finding the Fourth Proportional to 552,423.28, 828,562.92 and 252,816.88

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Solution

The fourth proportional to 552,423.28, 828,562.92 and 252,816.88 is: 379,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,423.28 : 828,562.92 = 252,816.88 : x
  2. Step 2: Convert to fraction form
    552,423.28/828,562.92 = 252,816.88/x
  3. Step 3: Cross multiply
    552,423.28x = 828,562.92 × 252,816.88
  4. Step 4: Simplify right side
    552,423.28x = 209,474,692,318.09
  5. Step 5: Solve for x
    x = 209,474,692,318.09/552,423.28
  6. Step 6: Final answer
    x = 379,192.37

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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.