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Finding the Fourth Proportional to 322,072.34, 483,210.56 and 251,237.84

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Solution

The fourth proportional to 322,072.34, 483,210.56 and 251,237.84 is: 376,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,072.34 : 483,210.56 = 251,237.84 : x
  2. Step 2: Convert to fraction form
    322,072.34/483,210.56 = 251,237.84/x
  3. Step 3: Cross multiply
    322,072.34x = 483,210.56 × 251,237.84
  4. Step 4: Simplify right side
    322,072.34x = 121,400,775,571.63
  5. Step 5: Solve for x
    x = 121,400,775,571.63/322,072.34
  6. Step 6: Final answer
    x = 376,936.37

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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.