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Finding the Fourth Proportional to 471,245.58, 650,311.75 and 256,380.73

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Solution

The fourth proportional to 471,245.58, 650,311.75 and 256,380.73 is: 353,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,245.58 : 650,311.75 = 256,380.73 : x
  2. Step 2: Convert to fraction form
    471,245.58/650,311.75 = 256,380.73/x
  3. Step 3: Cross multiply
    471,245.58x = 650,311.75 × 256,380.73
  4. Step 4: Simplify right side
    471,245.58x = 166,727,401,192.58
  5. Step 5: Solve for x
    x = 166,727,401,192.58/471,245.58
  6. Step 6: Final answer
    x = 353,801.52

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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.