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Finding the Fourth Proportional to 277,226.87, 415,828.71 and 151,662.65

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Solution

The fourth proportional to 277,226.87, 415,828.71 and 151,662.65 is: 227,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,226.87 : 415,828.71 = 151,662.65 : x
  2. Step 2: Convert to fraction form
    277,226.87/415,828.71 = 151,662.65/x
  3. Step 3: Cross multiply
    277,226.87x = 415,828.71 × 151,662.65
  4. Step 4: Simplify right side
    277,226.87x = 63,065,682,025.54
  5. Step 5: Solve for x
    x = 63,065,682,025.54/277,226.87
  6. Step 6: Final answer
    x = 227,487.63

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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.