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Finding the Fourth Proportional to 471,550.15, 650,739.29 and 256,691.82

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Solution

The fourth proportional to 471,550.15, 650,739.29 and 256,691.82 is: 354,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,550.15 : 650,739.29 = 256,691.82 : x
  2. Step 2: Convert to fraction form
    471,550.15/650,739.29 = 256,691.82/x
  3. Step 3: Cross multiply
    471,550.15x = 650,739.29 × 256,691.82
  4. Step 4: Simplify right side
    471,550.15x = 167,039,453,852.42
  5. Step 5: Solve for x
    x = 167,039,453,852.42/471,550.15
  6. Step 6: Final answer
    x = 354,234.76

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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.