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Finding the Fourth Proportional to 541,166.86, 811,741.78 and 186,183.96

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Solution

The fourth proportional to 541,166.86, 811,741.78 and 186,183.96 is: 279,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,166.86 : 811,741.78 = 186,183.96 : x
  2. Step 2: Convert to fraction form
    541,166.86/811,741.78 = 186,183.96/x
  3. Step 3: Cross multiply
    541,166.86x = 811,741.78 × 186,183.96
  4. Step 4: Simplify right side
    541,166.86x = 151,133,299,097.85
  5. Step 5: Solve for x
    x = 151,133,299,097.85/541,166.86
  6. Step 6: Final answer
    x = 279,273.01

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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.