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Finding the Fourth Proportional to 373,515.56, 515,455.20 and 203,753.24

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Solution

The fourth proportional to 373,515.56, 515,455.20 and 203,753.24 is: 281,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,515.56 : 515,455.20 = 203,753.24 : x
  2. Step 2: Convert to fraction form
    373,515.56/515,455.20 = 203,753.24/x
  3. Step 3: Cross multiply
    373,515.56x = 515,455.20 × 203,753.24
  4. Step 4: Simplify right side
    373,515.56x = 105,025,667,074.85
  5. Step 5: Solve for x
    x = 105,025,667,074.85/373,515.56
  6. Step 6: Final answer
    x = 281,181.50

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1.5x scale

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.