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Finding the Fourth Proportional to 471,245.08, 650,311.06 and 256,380.23

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Solution

The fourth proportional to 471,245.08, 650,311.06 and 256,380.23 is: 353,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,245.08 : 650,311.06 = 256,380.23 : x
  2. Step 2: Convert to fraction form
    471,245.08/650,311.06 = 256,380.23/x
  3. Step 3: Cross multiply
    471,245.08x = 650,311.06 × 256,380.23
  4. Step 4: Simplify right side
    471,245.08x = 166,726,899,134.34
  5. Step 5: Solve for x
    x = 166,726,899,134.34/471,245.08
  6. Step 6: Final answer
    x = 353,800.83

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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.