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Finding the Fourth Proportional to 306,073.98, 459,249.48 and 156,236.94

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Solution

The fourth proportional to 306,073.98, 459,249.48 and 156,236.94 is: 234,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,073.98 : 459,249.48 = 156,236.94 : x
  2. Step 2: Convert to fraction form
    306,073.98/459,249.48 = 156,236.94/x
  3. Step 3: Cross multiply
    306,073.98x = 459,249.48 × 156,236.94
  4. Step 4: Simplify right side
    306,073.98x = 71,751,733,451.79
  5. Step 5: Solve for x
    x = 71,751,733,451.79/306,073.98
  6. Step 6: Final answer
    x = 234,426.11

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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.