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Finding the Fourth Proportional to 423,025.56, 633,692.16 and 254,452.86

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Solution

The fourth proportional to 423,025.56, 633,692.16 and 254,452.86 is: 381,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,025.56 : 633,692.16 = 254,452.86 : x
  2. Step 2: Convert to fraction form
    423,025.56/633,692.16 = 254,452.86/x
  3. Step 3: Cross multiply
    423,025.56x = 633,692.16 × 254,452.86
  4. Step 4: Simplify right side
    423,025.56x = 161,244,782,471.58
  5. Step 5: Solve for x
    x = 161,244,782,471.58/423,025.56
  6. Step 6: Final answer
    x = 381,170.31

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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.