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Finding the Fourth Proportional to 365,541.72, 547,747.02 and 253,440.96

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Solution

The fourth proportional to 365,541.72, 547,747.02 and 253,440.96 is: 379,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,541.72 : 547,747.02 = 253,440.96 : x
  2. Step 2: Convert to fraction form
    365,541.72/547,747.02 = 253,440.96/x
  3. Step 3: Cross multiply
    365,541.72x = 547,747.02 × 253,440.96
  4. Step 4: Simplify right side
    365,541.72x = 138,821,530,585.94
  5. Step 5: Solve for x
    x = 138,821,530,585.94/365,541.72
  6. Step 6: Final answer
    x = 379,769.32

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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.