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Finding the Fourth Proportional to 461,765.70, 637,246.62 and 255,033.54

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Solution

The fourth proportional to 461,765.70, 637,246.62 and 255,033.54 is: 351,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,765.70 : 637,246.62 = 255,033.54 : x
  2. Step 2: Convert to fraction form
    461,765.70/637,246.62 = 255,033.54/x
  3. Step 3: Cross multiply
    461,765.70x = 637,246.62 × 255,033.54
  4. Step 4: Simplify right side
    461,765.70x = 162,519,261,351.64
  5. Step 5: Solve for x
    x = 162,519,261,351.64/461,765.70
  6. Step 6: Final answer
    x = 351,951.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.