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Finding the Fourth Proportional to 365,635.76, 548,490.15 and 137,873.75

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Solution

The fourth proportional to 365,635.76, 548,490.15 and 137,873.75 is: 206,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,635.76 : 548,490.15 = 137,873.75 : x
  2. Step 2: Convert to fraction form
    365,635.76/548,490.15 = 137,873.75/x
  3. Step 3: Cross multiply
    365,635.76x = 548,490.15 × 137,873.75
  4. Step 4: Simplify right side
    365,635.76x = 75,622,391,076.11
  5. Step 5: Solve for x
    x = 75,622,391,076.11/365,635.76
  6. Step 6: Final answer
    x = 206,824.39

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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.