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Finding the Fourth Proportional to 273,028.05, 408,667.28 and 146,357.01

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Solution

The fourth proportional to 273,028.05, 408,667.28 and 146,357.01 is: 219,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,028.05 : 408,667.28 = 146,357.01 : x
  2. Step 2: Convert to fraction form
    273,028.05/408,667.28 = 146,357.01/x
  3. Step 3: Cross multiply
    273,028.05x = 408,667.28 × 146,357.01
  4. Step 4: Simplify right side
    273,028.05x = 59,811,320,453.85
  5. Step 5: Solve for x
    x = 59,811,320,453.85/273,028.05
  6. Step 6: Final answer
    x = 219,066.58

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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.