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Finding the Fourth Proportional to 397,047.30, 594,586.80 and 254,673.60

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Solution

The fourth proportional to 397,047.30, 594,586.80 and 254,673.60 is: 381,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,047.30 : 594,586.80 = 254,673.60 : x
  2. Step 2: Convert to fraction form
    397,047.30/594,586.80 = 254,673.60/x
  3. Step 3: Cross multiply
    397,047.30x = 594,586.80 × 254,673.60
  4. Step 4: Simplify right side
    397,047.30x = 151,425,560,868.48
  5. Step 5: Solve for x
    x = 151,425,560,868.48/397,047.30
  6. Step 6: Final answer
    x = 381,379.15

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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.