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Finding the Fourth Proportional to 264,773.30, 396,722.55 and 225,407.30

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Solution

The fourth proportional to 264,773.30, 396,722.55 and 225,407.30 is: 337,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,773.30 : 396,722.55 = 225,407.30 : x
  2. Step 2: Convert to fraction form
    264,773.30/396,722.55 = 225,407.30/x
  3. Step 3: Cross multiply
    264,773.30x = 396,722.55 × 225,407.30
  4. Step 4: Simplify right side
    264,773.30x = 89,424,158,844.62
  5. Step 5: Solve for x
    x = 89,424,158,844.62/264,773.30
  6. Step 6: Final answer
    x = 337,738.58

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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.