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Finding the Fourth Proportional to 322,190.84, 483,581.50 and 172,600.04

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Solution

The fourth proportional to 322,190.84, 483,581.50 and 172,600.04 is: 259,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,190.84 : 483,581.50 = 172,600.04 : x
  2. Step 2: Convert to fraction form
    322,190.84/483,581.50 = 172,600.04/x
  3. Step 3: Cross multiply
    322,190.84x = 483,581.50 × 172,600.04
  4. Step 4: Simplify right side
    322,190.84x = 83,466,186,243.26
  5. Step 5: Solve for x
    x = 83,466,186,243.26/322,190.84
  6. Step 6: Final answer
    x = 259,058.22

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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.