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Finding the Fourth Proportional to 531,003.84, 796,379.94 and 151,912.86

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Solution

The fourth proportional to 531,003.84, 796,379.94 and 151,912.86 is: 227,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,003.84 : 796,379.94 = 151,912.86 : x
  2. Step 2: Convert to fraction form
    531,003.84/796,379.94 = 151,912.86/x
  3. Step 3: Cross multiply
    531,003.84x = 796,379.94 × 151,912.86
  4. Step 4: Simplify right side
    531,003.84x = 120,980,354,332.03
  5. Step 5: Solve for x
    x = 120,980,354,332.03/531,003.84
  6. Step 6: Final answer
    x = 227,833.29

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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.