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Finding the Fourth Proportional to 451,105.79, 676,234.85 and 151,376.17

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Solution

The fourth proportional to 451,105.79, 676,234.85 and 151,376.17 is: 226,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,105.79 : 676,234.85 = 151,376.17 : x
  2. Step 2: Convert to fraction form
    451,105.79/676,234.85 = 151,376.17/x
  3. Step 3: Cross multiply
    451,105.79x = 676,234.85 × 151,376.17
  4. Step 4: Simplify right side
    451,105.79x = 102,365,837,475.47
  5. Step 5: Solve for x
    x = 102,365,837,475.47/451,105.79
  6. Step 6: Final answer
    x = 226,922.02

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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.