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Finding the Fourth Proportional to 366,910.15, 550,365.23 and 307,861.15

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Solution

The fourth proportional to 366,910.15, 550,365.23 and 307,861.15 is: 461,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,910.15 : 550,365.23 = 307,861.15 : x
  2. Step 2: Convert to fraction form
    366,910.15/550,365.23 = 307,861.15/x
  3. Step 3: Cross multiply
    366,910.15x = 550,365.23 × 307,861.15
  4. Step 4: Simplify right side
    366,910.15x = 169,436,072,627.82
  5. Step 5: Solve for x
    x = 169,436,072,627.82/366,910.15
  6. Step 6: Final answer
    x = 461,791.73

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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.