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Finding the Fourth Proportional to 322,028.32, 483,239.04 and 203,536.48

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Solution

The fourth proportional to 322,028.32, 483,239.04 and 203,536.48 is: 305,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,028.32 : 483,239.04 = 203,536.48 : x
  2. Step 2: Convert to fraction form
    322,028.32/483,239.04 = 203,536.48/x
  3. Step 3: Cross multiply
    322,028.32x = 483,239.04 × 203,536.48
  4. Step 4: Simplify right side
    322,028.32x = 98,356,773,200.18
  5. Step 5: Solve for x
    x = 98,356,773,200.18/322,028.32
  6. Step 6: Final answer
    x = 305,428.95

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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.