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Finding the Fourth Proportional to 516,832.82, 775,249.24 and 161,874.62

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Solution

The fourth proportional to 516,832.82, 775,249.24 and 161,874.62 is: 242,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,832.82 : 775,249.24 = 161,874.62 : x
  2. Step 2: Convert to fraction form
    516,832.82/775,249.24 = 161,874.62/x
  3. Step 3: Cross multiply
    516,832.82x = 775,249.24 × 161,874.62
  4. Step 4: Simplify right side
    516,832.82x = 125,493,176,130.29
  5. Step 5: Solve for x
    x = 125,493,176,130.29/516,832.82
  6. Step 6: Final answer
    x = 242,811.93

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Double scale
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Similar ratio
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1.5x scale

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.